Let A subset B of S is said to be “nice” if the|Probability

JEE MAIN 2019

11-01-2019 S2

Question

Let S = {1, 2, ...., 20}. A subset B of S is said to be “nice”, if the sum of the elements of B is 203. Then the probability that a randomly chosen subset of S is “nice” is

Select the correct option:

$\frac{4}{2^{20}}$

$\frac{6}{2^{20}}$

$\frac{5}{2^{20}}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Mathematics

Easy

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