Question 6 - Past Year MCQ (Maths Standard) - Chapter 1 Class 10 Real Numbers

Last updated at August 12, 2026 by

[MCQ] If n is a natural number, then 2(5n + 6n) always ends with - Past Year MCQ (Maths Standard)

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Question 6 If n is a natural number, then 2(5n + 6n) always ends with (a) 1 (b) 4 (c) 3 (d) 2Now, 5n always ends with 5 6n always ends with 6 Thus, (5n + 6n) always ends with 5 + 6 = 11 Thus, 2 × (5n + 6n) always ends with 2 × 11 = 22 i.e. it always ends with 2 So, the correct answer is (d)

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