JEE Main 2021 (24 Feb, Shift 1) Maths Q78: Probability

Question

An ordinary dice is rolled for a certain number of times. If the probability of getting an odd number 2 times is equal to the probability of getting an even number 3 times, then the probability of getting an odd number for odd number of times is :

(1) $\frac{1}{32}$
(2) $\frac{3}{16}$
(3) $\frac{5}{16}$
(4) $\frac{1}{2}$ Official answer

Official answer

Option 4

NTA final key.

Accepted Answer

Option 4: $\frac{1}{2}$

Answer

$\frac{1}{32}$

Answer

$\frac{3}{16}$

Answer

$\frac{5}{16}$

Answer

$\frac{1}{2}$

JEE Main 24 February 2021, Shift 1, Maths Q78