What is the unit digit of \(2137^{754}\)?

A. 7

B. 3

C. 9

D. 1

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

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Answer: C. 9

Answer: (C) 9

Only the unit digit 7 matters. Cycle of 7: 7, 9, 3, 1. 754 ÷ 4 leaves remainder 2, so the unit digit is 9.

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

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