Answers Age(in years) 1 – 5 6 – 10 11 – 15 Frequency 3 5 2… Age(in years) 1 – 5 6 – 10 11 – 15 Frequency 3 5 2 Calculate the standard… Read More
Answers In a firing contest, the probabilities that Kojo and Kwame hit the target are (frac{2}{5})… In a firing contest, the probabilities that Kojo and Kwame hit the target are (frac{2}{5}) and (frac{1}{3}) respectively.… Read More
Answers The area of a sector of a circle is 3(cm^{2}). If the sector subtends an… The area of a sector of a circle is 3(cm^{2}). If the sector subtends an angle of 1.5… Read More
Answers A particle of mass 2.5 kg is moving at a speed of 12 m/s. If… A particle of mass 2.5 kg is moving at a speed of 12 m/s. If a force of… Read More
Answers Simplify (8^{n} times 2^{2n} div 4^{3n}) Simplify (8^{n} times 2^{2n} div 4^{3n}) A. (2^{-n}) B. (2^{1 – n}) C. (2^{n}) D. (2^{n + 1})… Read More
Answers Simplify (frac{^{n}P_{4}}{^{n}C_{4}}) Simplify (frac{^{n}P_{4}}{^{n}C_{4}}) A. 24 B. 18 C. 12 D. 6 Correct Answer: Option A Explanation (^{n}P_{4} = frac{n!}{(n… Read More
Answers Which of the following is a singular matrix? Which of the following is a singular matrix? A. (begin{pmatrix} 1 & 0 \ 0 & 1 end{pmatrix})… Read More
Answers The mean age of n men in a club is 50 years. Two men aged… The mean age of n men in a club is 50 years. Two men aged 55 and 63… Read More
Answers A committee of 4 is to be selected from a group of 5 men and… A committee of 4 is to be selected from a group of 5 men and 3 women. In… Read More
Answers Evaluate (lim limits_{x to 1} frac{1 – x}{x^{2} – 3x + 2}) Evaluate (lim limits_{x to 1} frac{1 – x}{x^{2} – 3x + 2}) A. 1 B. (frac{1}{2}) C. 0… Read More