Mental Maths Class 9 Number System

Asked by GIANSH GUPTA KHUNDKER · BIRLA BRAINIACS

What is the unit digit (ones place) of the product 432 × 789 × 114?

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Answer: A. 2

Explanation: A) 2 is correct because you only need to multiply the unit digits: 2 × 9 = 18 (ends in 8), then 8 × 4 = 32 (ends in 2).

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