Select the number that will replace the question mark (?).(5, 4, 21), (6, 3, 19), (7, 5, ?)

A. 35

B. 37

C. 40

D. 36

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

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Answer: D. 36

Answer: (D) 36

Third number = product of the first two + 1: \(5 \times 4 + 1 = 21\), \(6 \times 3 + 1 = 19\). So \(7 \times 5 + 1 = 36\).

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

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