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JEE Main 2020
02-09-2020 S1
Question
Box I contains 30 cards numbered 1 to 30 and Box II contains 20 cards numbered 31 to 50. A box is selected at random and a card is drawn from it. The number on the card is found to be a non-prime number. The probability that the card was drawn from Box I is :
Select the correct option:
A
$\frac{4}{17}$
B
$\frac{2}{3}$
C
$\frac{2}{5}$
D
$\frac{8}{17}$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
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