Mathematics Past Questions and Answers

If A's salary is 25% higher than the B's salary, then by what percent is B's salary lower than the A's?

Bola chooses at random a number between 1 and 300. What is the probability that the number is divisible by 4?

Two numbers are in the ratio 3:5. If 9 is subtracted from each, then their ratio becomes 12:23. Find the smaller number

If the diagonals of two squares are in the ratio 2:5, then their areas will be in the ratio

The radius of a circular wheel is 1.75m. The number of revolutions that it will make in covering 11km is