Answers

A car moves at an average speed of 30kmh(^{-1}), how long does it take to cover 200 meters?…

The ages of three men are in the ratio 3:4:5. If the difference between the ages of the…

Given that (log_4 x = -3), find x. A. (frac{1}{81}) B. (frac{1}{64}) C. 64 D. 81 Correct Answer: Option…

Given that the logarithm of a number is (bar{1}.8732), find, correct to 2 significant figures the square root…

Simplify (left(frac{16}{81}right)^{-frac{3}{4}}times sqrt{frac{100}{81}}) A. (frac{80}{243}) B. (frac{1}{64}) C. (frac{25}{6}) D. (frac{15}{4}) Correct Answer: Option D Explanation (left(frac{16}{81}right)^{-frac{3}{4}}times sqrt{frac{100}{81}}\…

Which of the following numbers is perfect cube? A. 350 B. 504 C. 950 D. 1728 Correct Answer:…

If (104_x = 68), find the value of x A. 5 B. 7 C. 8 D. 9 Correct…

Find the missing number in the addition of the following numbers, in base seven (begin{matrix} 4 & 3…

What fraction must be subtracted from the sum of (2frac{1}{6}) and (2frac{7}{12}) to give (3frac{1}{4})? A. (frac{1}{3}) B.…

Express (frac{7}{19}) as a percentage, correct to one decimal place A. 2.7% B. 3.7% C. 27.1% D. 36.8%…