How many zeros are there at the end of 100! (100 factorial)?

A. 22

B. 20

C. 24

D. 25

Doubtly AI Asked 27 Oct 2026 AI-generated · not yet verified ssc cgl Save WhatsApp Report

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Answer: C. 24

Answer: (C) 24

Count the factors of 5: ⌊100/5⌋ + ⌊100/25⌋ = 20 + 4 = 24.

Trap: 20 forgets the extra 5s in 25, 50, 75 and 100.

Doubtly AI · 27 Oct 2026 AI-generated · not yet verified Report

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