If 12345 = 120, what is the ones digit of the product of the first 10 positive integers?

Type: MCQ • Marks: 1

If 1*2*3*4*5 = 120, what is the ones digit of the product of the first 10 positive integers?

A. 2

B. 8

C. 5

D. 0

Explanation

Since the product contains 2 and 5 (and 10), it ends in 0.

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Class 7th Ganita Prakash 1

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If 1*2*3*4*5 = 120, what is the ones digit of the product of the first 10 positive integers?