Blog Details CassavaApp Questions and Answers Views(1428) | Comments(0) | Likes (0) | Posted on 2 years Choose the option that best completes the gap(s). We have been living peacefully here but _________ hear rumours of war?

The population of a country increased by an average of 2% per year from 2000 to 2003. If the population of this country was 2 000 000 on December 31, 2003, then the population of this country on January 1, 2000, to the nearest thousand would have been

f is a quadratic function whose graph is a parabola opening upward and has a vertex on the x-axis. The graph of the new function g defined by g(x) = 2 - f(x - 5) has a range defined by the interval

f is a function such that f(x) < 0. The graph of the new function g defined by g(x) = | f(x) | is a reflection of the graph of f

If the graph of y = f(x) is transformed into the graph of 2y - 6 = - 4 f(x - 3), point (a , b) on the graph of y = f(x) becomes point (A , B) on the graph of 2y - 6 = - 4 f(x - 3) where A and B are given by

When a parabola represented by the equation y - 2x 2 = 8 x + 5 is translated 3 units to the left and 2 units up, the new parabola has its vertex at

The graphs of the two linear equations a x + b y = c and b x - a y = c, where a, b and c are all not equal to zero,

For x greater than or equal to zero and less than or equal to 2 π, sin x and cos x are both decreasing on the intervals.

The three solutions of the equation f(x) = 0 are -2, 0, and 3. Therefore, the three solutions of the equation f(x - 2) = 0 are

The three solutions of the equation f(x) = 0 are - 4, 8, and 11. Therefore, the three solutions of the equation f(2 x) = 0 are

A school committee consists of 2 teachers and 4 students. The number of different committees that can be formed from 5 teachers and 10 students is

Five different books (A, B, C, D and E) are to be arranged on a shelf. Books C and D are to be arranged first and second starting from the right of the shelf. The number of different orders in which books A, B and E may be arranged is

The mean of a data set is equal to 10 and its standard deviation is equal to 1. If we add 5 to each data value, then the mean and standard deviation become

The exam scores of all 500 students were recorded and it was determined that these scores were normally distributed. If Jane's score is 0.8 standard deviation above the mean, then how many, to the nearest unit, students scored above Jane?

When a metallic ball bearing is placed inside a cylindrical container, of radius 2 cm, the height of the water, inside the container, increases by 0.6 cm. The radius, to the nearest tenth of a centimeter, of the ball bearing is

The probability that an electronic device produced by a company does not function properly is equal to 0.1. If 10 devices are bought, then the probability, to the nearest thousandth, that 7 devices function properly is

In a resonance tube experiment, a tube of fixed length in closed at one end and several turning forks of increasing frequency used to obtain resonance at the open end. If the turning fork with the lowest frequency which gave resonance had a frequency ƒ1 and the next turning fork to give resonance had a frequency ƒ2, find the ratio ƒ2 / ƒ1.

A 10μC charge moves with a velocity of 1.0×105ms−1 at a right angle to a uniform magnetic field of flux density 5.0×10−4T. Calculate the force on the charge.

The phenomenon by which two light atomic nuclear combines to form a heavy nuclide with the release of energy is known as

Let Δx be the uncertainty in the measurements of position and Δp the uncertainty in the measurement of momentum. The uncertainty principle relation is given as

Two objects of masses 80kg and 50kg are separated by a distance of 0.2m. If the gravitational constant is 6.6 x 10-11Nm kg, calculate the gravitational attraction between them.

The phenomenon by which two light atomic nuclear combines to form a heavy nuclide with the release of energy is known as

Let Δx be the uncertainty in the measurements of position and Δp the uncertainty in the measurement of momentum. The uncertainty principle relation is given as

1kg of boiling water at 100°C is poured into an aluminum hot water bottle at 16°C. The temperature of the water quickly falls to 96°C. Assuming that there is no loss of heat, the mass of the bottle is

The resultant of two forces is 50N. If the forces are perpendicular to each other and one of them makes an angle of 30° with the resultant, find its magnitude

A simple pendulum of length 0.4m has a period 2s. What is the period of a similar pendulum of length 0.8m at the same place?

A 90W immersion heater is used to supply energy for 5 minutes. The energy supplied is used to completely melt 160g of a solid at its melting point. Calculate the specific latent heat of the solid.

A train with an initial velocity of 20ms-1 is subjected to a uniform deceleration of 2ms-2. The time required to bring the train to a complete halt is

Calculate the apparent weight loss of a man weighing 70kg in an elevator moving downwards with an acceleration of 1.5ms-2.

A piece of cork floats in a liquid. What fraction its volume will be immersed in the liquid? [density of the cork = 0.25 × 103kgm-3, Density of the liquid = 1.25 × 103kgm-3]

A house is supplied with a 240V a.c mains. To operate a doorbell rated at 8V, a transformer is used if the number of turns in the primary coil of the transformer is 900. Calculate the number of turns in the secondary coil of the transformer

An object is moving with a velocity of 5ms-1. At what height must a similar body be situated to have potential energy equal in value with the kinetic energy of the moving body? [g ≈ 10ms-2]

If a pump is capable of lifting 5000 kg of water through a vertical height of 60 m in 15 min, the power of the pump is

A piece of radioactive material contains 1000 atoms. If its half-life is 20 seconds, the time taken for 125 atoms to remain is

What volume of alcohol will have the same mass as 4.2m3 of petrol? [Density of alcohol = 8.4 × 102kgm-3, Density of petrol = 7.2 × 102 kgm-3]

Calculate the length which corresponds to a temperature of 200°C if the ice and steam points of an ungraduated thermometer are 400 mm apart

Two liquids X and Y having the same mass are supplied with the same quantity of heat. If the temperature rise in X is twice that of Y, the ratio of specific heat capacity of X to that of Y is

Which of the following remains unchanged as light travels from one medium to the other? i. speed. ii. wavelength. iii. frequency.

Which of the following statements about wave is not correct? i. A wavefront is a line which contains all particles whose vibration are in phase. ii. The direction of propagation of a wave is the link drawn parallel to the wavefront. iii. A wavefront is a circle which is common to particles that are in the same state of disturbance

What type of motion does the skin of a talking drum perform when its being struck with the drum stick?

The mechanism of heat transfer from one point to another through the vibration of the molecules of the medium is

The sound from a bell in an enclosed jar gradually faints away while the jar is being evacuated. Which of the following explains this observation?

A man 1.5m tall is standing 3m in front of a pinhole camera whose distance between the hole and the screen is 0.1m. What is the height of the image of the man on the screen?

A ray of light passing through the centre of curvature of a concave mirror is reflected by the mirror at

Given the scores: 4,7,8,11,13,8 with corresponding frequencies: 3,5,2,7,2,1 respectively. Find the square of the mode.

Teams P and Q are involved in a game of football. What is the probability that the game ends in a draw?

Given the scores: 4,7,8,11,13,8 with corresponding frequencies: 3,5,2,7,2,1 respectively. The mean score is

Given distribution of color beads: blue, black, yellow, white and brown with frequencies 1,2,3,4, and 5 respectively. Find the probability that a bead picked at random will be blue or white.

In a school, 220 students offer Biology or Mathematics or both. 125 offer Biology and 110 mathematics. How many offer Biology but not Mathematics?

A trader bought goats for ₦4000 each. He sold them for ₦180,000 at a loss of 25 How many goats did he buy?

A circle with radius 5 cm has its radius increasing at the rate of 0.2 m/s. What will be the corresponding increase in the area?

The volume of a cuboid is 54 cm3. If the length, width and height of the cuboid are in the ratio 2:1:2 respectively, find its total surface area

If x and y are variables and k is a constant, which of the following describes an inverse relationship between x and y?

From the alternative provided in the question below select the one which is most appropriately completes the sentence: Omeime was taking his dog for a walk when the dog suddenly _______ from its chain and escaped

From the alternative provided in the question below select the one which is most appropriately completes the sentence: Had he known that it would rain, he ________ his umbrella with him.

From the alternative provided in the question below select the one which is most appropriately completes the sentence: I was still sleeping when the national news ________ this morning

From the alternative provided in the question below select the one which is most appropriately completes the sentence: Each of the contestants ________ a chance to win

From the alternative provided in the question below select the one which is most appropriately completes the sentence: I gave the book to the library attendant ________ I think works in the evenings

From the alternative provided in the question below select the one which is most appropriately completes the sentence: The politicians are responsible for the ________ events have taken in this country

In the question below choose the option opposite in meaning to the word in capital letters: The chief was GENEROUS in his award of university scholarships

In the question below choose the option opposite in meaning to the word in capital letters: To most people, last Christmas was an AUSTERE period

n the question below choose the option opposite in meaning to the word in capital letters: Chidi is naturally TACITURN

In the question below choose the option opposite in meaning to the word in capital letters: He is loved for his ALTRUISM.

In the question below choose the option opposite in meaning to the word in capital letters: The military Governor UPHELD the decision of his cabinet

In the question below choose the option opposite in meaning to the word in capital letters: Many untrustworthy students give EVASIVE answers to questions which they fully understand.

In the question below choose the option opposite in meaning to the word in capital letters: The deafening noise of the two jet planes which flew across our compound yesterday made people fear that an assault on the country might be IMMINENT

In the question below choose the option opposite in meaning to the word in capital letters: Disgruntled people are INDIFFERENT to any plans to rid the society of evil

In the question below choose the option opposite in meaning to the word in capital letters: The SEVERITY of the harmattan helped me to complete my writing assignment in record time because I had no choice but to lock my self indoors

In the question below choose the option opposite in meaning to the word in capital letters: The increase in transport fares DETERRED our club from planning an excursion this year.

In the question below choose the option opposite in meaning to the word in capital letters: This card ENTITLES you to attend the film show

Choose the option that best best completes the gap(s). Did you have _________ when you went to visit the medical doctor?

Choose the option that best best completes the gap(s). Your performance will improve if you _________ hard?

Choose the option that best best completes the gap(s). The brave hunter killed the _________ in the forest?

Choose the option that best completes the gap(s). The clubs were not _________ on a solid ethical base?

Choose the option that best completes the gap(s). His father hardly misses the news because he goes about with his _________ radio?

Choose the option that best completes the gap(s). The investigation Commission has treated all the _________submitted to it by the warning factions?

Choose the option that best completes the gap(s). Olu brought his clothes and those of his _________ ?

Choose the option that best completes the gap(s). Our neighbour was attracted by the _________ from my mother's cooking?

Choose the option that best completes the gap(s). Everybody is allowed to _________ his view on state matters?

Choose the option that best completes the gap(s). Despite all preparations, the wedding did not _________ ?

Choose the option that best completes the gap(s). For beating_________ his coursemate, Agbji was _________ from the university?

Choose the option that best completes the gap(s). We have been living peacefully here but _________ hear rumours of war?

Choose the appropriate stress pattern from the option. The syllables are written in capital letters. genealogy?

Choose the appropriate stress pattern from the option. The syllables are written in capital letters. catholicism?

Select the option that best explains the information conveyed in the sentence. In our college, the regulations concerning resits are grey area?

Select the option that best explains the information conveyed in the sentence. Ogiri takes after his father, he fawns upon anyone with influence.

Select the option that best explains the information conveyed in the sentence. You are to write a report and give it to the security office?

Select the option that best explains the information conveyed in the sentence. After the war, the victors became increasingly vindictive?

Select the option that best explains the information conveyed in the sentence. The perfect reeled off the names of all the students who broke the library?

Select the option that best explains the information conveyed in the sentence. I owe you far less than you owe me?

Select the option that best explains the information conveyed in the sentence. The dispute over land acquisition has come to a head?

Select the option that best explains the information conveyed in the sentence. He had hardly spoken when the bell rang?

Select the option that best explains the information conveyed in the sentence. I think she takes her guardian's support for granted?

Select the option that best explains the information conveyed in the sentence. The class has fallen in with the teacher's plans?

Choose the option nearest in meaning to the word between asterisks. The move to expel the chairman was *sanctioned* by members of the party.

Choose the option nearest in meaning to the word between asterisks. Because Jamium is so easily *offended*, he was not considered for the post of the head boy?

Choose the option nearest in meaning to the word between asterisks. The witness provided a *monstrous* account of the event?

Choose the option nearest in meaning to the word between asterisks. Adamu is rather *meddlesome* in dealing with his friends.

Choose the option nearest in meaning to the word between asterisks. The commander said that the battle would be *sustained*, total and relentless?

Choose the option nearest in meaning to the word between asterisks. The government has announced its *preparedness* for the scheme?

Choose the option nearest in meaning to the word between asterisks. The chairman advised the participants to follow *convention* in stating their points?

Choose the option nearest in meaning to the word between asterisks. His discovery of the vaccine became a *quantum leap* in search of a scientific cure for the illness?

Choose the option nearest in meaning to the word between asterisks. After the meeting, I read a *leer* on his face as he looked at the woman?

Choose the option nearest in meaning to the word between asterisks. His loss suddenly became *redeemable*?

The diagram above is the solubility curve of a solute, X. Find the amount of X deposited when 500cm3 of a solution of X is cooled from 60oC to 20oC.

The refreshing and characteristic taste of soda water and other soft drinks is as a result of the presence in them of

(1/2)Zn2+(aq) + e- → (1/2) Zn(s) In the reaction above, calculate the quantity of electricity required to discharge zinc. [F = 96 500 C/mol]

Given that M is the mass of substance deposited in an electrolysis and Q the quantity of electricity consumed, then Faraday's law can be written as

0.46g of ethanol, when burned, raised the temperature of 50g of water by 14.3K. Calculate the heat of combustion of ethanol. [C = 12, O = 16, H = 1, Specific heat capacity of water = 4.2 j/gK]

Powdered marble reacts faster with hydrochloric acid solution than the granular form because the powdered form has

1.0 dm3 of distilled water was used to wash 2.0g of a precipitate of AgCl. If the solubility product of AgCl is 2.0 * 10^-10 mol2/dm6, what quantity of silver was lost in the process?

The distance between the nuclei of chlorine atoms in a chlorine molecule is 0.194nm. The atomic radius of the chlorine atom is

50cm of carbon (II) oxide exploded with 150cm3 of air containing 20% oxygen by volume. Which of the reactants was in excess?

How many moles of HCl will be required to react with potassium heptaoxodichromate (VI) to produce 3 moles of chlorine?

The ratio of the initial to the final pressure of a given mass of gas is 1:1.5. Calculate the final volume of the gas if the initial volume was 3000cm3 at the same temperature

The partial pressure of oxygen in a sample of air is 452mmHg and the total pressure is 780mmHg. What is the mole fraction of oxygen?

50cm of carbon (II) oxide exploded with 150cm3 of air containing 20% oxygen by volume. Which of the reactants was in excess?

How many moles of HCl will be required to react with potassium heptaoxodichromate (VI) to produce 3 moles of chlorine?

The ratio of the initial to the final pressure of a given mass of gas is 1:1.5. Calculate the final volume of the gas if the initial volume was 3000cm3 at the same temperature

The partial pressure of oxygen in a sample of air is 452mmHg and the total pressure is 780mmHg. What is the mole fraction of oxygen?

Let P = {1, 2, u, v, w, x}; Q = {2, 3, u, v, w, 5, 6, y} and R = {2, 3, 4, v, x, y}. Determine (P-Q) ∩ R

If the population of a town was 240,000 in January 1998 and it increased by 2% each year, what would be the population of the town in January 2000?

In a youth club with 94 members, 60 like modern music, and 50 like traditional music. The number of members who like both traditional and modern music is three times those who do not like any type of music. How many members like only one type of music?

A man wishes to keep his money in a savings deposit at 25% compound interest so that after three years he can buy a car for ₦150,000. How much does he need to deposit?

Find the inverse of p under the binary operation * defined by p*q = p + q - pq, where p and q are real numbers and zero is the identity

if (x - 1), (x + 1) and (x - 2) are factors of the polynomial ax3 + bx2 + cx - 1, find a, b, c in that order.

A trader realizes 10x - x^2 naira profit from the sale of x bags on corn. How many bags will give him the desired profit?

A frustum of the pyramid with square base has its upper and lower sections as squares of sizes 2m and 5m respectively and the distance between them 6m. Find the height of the pyramid from which the frustum was obtained.

P is a point on one side of the straight line UV and P moves in the same direction as UV. If the straight line ST is on the locus of P and angle VUS = 60°, find angle UST.

A ship sails a distance of 50km in the direction S50°E and then sails a distance of 50km in the direction N40°E. Find the bearing of the ship from the original position.

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