Mathematics · 2019
JEE Main · 12 January 2019, Shift 2 · Q86
In a class of 60 students, 40 opted for NCC, 30 opted for NSS and 20 opted for both NCC and NSS. If one of these students is selected at random, then…
In a class of $\displaystyle 60$ students, $\displaystyle 40$ opted for NCC, $\displaystyle 30$ opted for NSS and $\displaystyle 20$ opted for both NCC and NSS. If one of these students is selected at random, then the probability that the student selected has opted neither for NCC nor for NSS is :
Official answer
(1)
$\displaystyle \frac{1}{6}$
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JEE Main 2019 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.