Скачать или смотреть Complement Rule से Instant Answer! | SSC • Bank • Railway || Quant by Krishna Sir

Three friends—Virat (3/4), Ranveer (4/5), Rohit (3/5)—speak truth with given probabilities.
Find the probability that at most two narrate the incident truthfully.

Shortcut (Complement Rule):
“At most two truth” = 1 − P(all three truth)
P(all three) = (3/4)(4/5)(3/5) = 9/25
⇒ Answer = 1 − 9/25 = 16/25 = 64% ✅

Perfect for SSC, Banking, Railway.
Concept + Shortcut = Speed + Accuracy.

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