B and C are points on straight line AD, on which AB=BC=CD. What percent of AC is AD ?

There are 20 members on a football squad. In electing a captain and a vice-captain, how many different outcome...

Out of a group of 80 applicants for a public service examination, 20 persons failed to appear for the first pa...

Mr. Rahim who is 28 years of age has a son who is 4 years old. In how many years will Mr. Rahim be 4 times as...

If 4 is subtracted from one-fourth of a number, the result is 20. Which of the following in the number ?

The sum of 6 consecutive odd numbers exceeds twice the largest by 38. Find the sum of the six numbers ?

Points A, B, X and Y are in the same line but not necessarily in that order. Given the lengths AB=12, BX=2, XY...