From a lot containing 10 defective... | Probability | JEE Main 2026

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JEE MAIN 2026

24-01-2026 S1

Question

From a lot containing 10 defective and 90 non-defective bulbs, 8 bulbs are selected one by one with replacement. Then the probability of getting at least 7 defective bulbs is

Select the correct option:

A

$\frac{7}{10^7}$

B

$\frac{81}{10^8}$

C

$\frac{67}{10^8}$

D

$\frac{73}{10^8}$

✓ Correct! Well done.

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Solution

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