The seventh number in a sequence of numbers is 31 and each number after the first number in the sequence is 4 less than the number immediately preceding it. What is the fourth number in the sequence?

One day, Mr. Karim started 30 minutes late from home and reached his office 50 minutes late, while driving 25%...

If x+y=7 and x2+y2=25, then which one of the following equals the value of x3+y3?

A worker is hired for 7 days. Each day, he is paid 10 Tk. more than what he is paid for the preceding day one...

In a factory, there are workers, executives and clerks. 59% of the employees are workers, 460 are executives a...

A survey of n people in the town of X found that 50% of them prefer Brand A. Another survey of 100 people in t...

Which set of numbers is like the given set [48,24,12] ?