Question

In an examination, a candidate is required to pass at least four different subjects out
of 6. Then the number of ways in which he can fail is​

Answer 1

Answer:

The answer will be 42.

Step-by-step explanation:

See friend according to the question,

A student can fail by following ways,

(i)ways of failing in 3 subjects=6C3=20

(ii)ways of failing in 4 subjects=6C4=15

(iii)ways of failing in 5 subjects=6C5=6

(iv) ways of failing in 6 subjects=6C6=1

SO ADDING ALL WE GET THAT A STUDENT CAN FAIL IN THE EXAM BY 42 WAYS.[I PRAY THAT THIS SHOULD HAPPEN TO NO ONE]☹️

I hope it helps you.☺☺