Self Maths Puzzle Numerical Ability Percentage

If an examination 63% of the candidates in English,65% passed in Mathematics, and 27% failed in both subjects.What is the pass percentage?
(a)55%
(b)60%
(c)65%
(d)None.

Read Solution (Total 3)

Self Other Question

sum of n factorials? A two digit number is 18 less than the sum of the squares of its digits. How many such numbers are there?