The value of 1/2 + 1/6 + 1/12 + 1/20 + 1/30 + ... + 1/[n(n+1)] is equal to

If 1/5 of 3/4 of a 1/3 of the number is 24, then 20% of that number is %

Which of the following numbers is not between 1/3 and 1/2?

The sum of the numerator and denominator of a fraction is 11. If 1 is added to the numerator and 2 is subtracted from the denominator, it becomes 2/3 . The fraction is

If 1/5 + 1/3 + 1/x = 1/8, then x =

In an office 3/5 of total employees are female and rest are males. If 2/9 part of females and 1/4 part of males are absent, then what part of total employees are absent?