In a box, there are 20 cards | Probability | JEE MAIN 2020

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JEE MAIN 2020

09-01-20 S1

Question

In a box, there are 20 cards, out of which 10 are labelled as A and the remaining 10 are labelled as B. Cards are drawn at random, one after the other and with replacement, till a second A-card is obtained. The probability that the second A-card appears before the third B-card is

Select the correct option:

A

$\frac{6}{16}$

B

$\frac{13}{16}$

C

$\frac{11}{16}$

D

$\frac{15}{16}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

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