CUET Mathematics - There are 50 telephone lines in an exchange. If the probability that any one of them will be busy is 0.1, then the probability that all the lines are busy is | PYQs + Solutions

CUET Mathematics 2026 18th May Shift 1

Applied Mathematics

Medium

applied

$\frac{(50)^5 \times e^{-5}}{50!}$

$\frac{5^{50}\times e^{-5}}{50!}$

$\frac{5^{50}\times e^{-50}}{50!}$

$\frac{5^5\times e^{-50}}{50!}$

✅ Correct Option: 2

CUET Mathematics 2026 18th May Shift 1 PYQs