CAT Exam Numerical Ability Percentage

In an examination, 22% students failed. If the number of passed candidates was 420 more than number of failed candidates, then what is the total number of candidates appeared the examination?

Read Solution (Total 1)

750

In an examination, 22% students failed.
it means 78% passed.

If x is no of total candidates , then
(o.78-0.22)*x = 420
x= 420*100/56= 30*25=750
12 years agoHelpfull: Yes(11) No(0)

CAT Other Question

Today is Tuesday. What day of the week it was 124 days before? The average age of a family of 6 members is 22 years. If the age of the youngest member be 7 years, then what was the average age of the family at the birth of the youngest member?