CSATNumber System & SeriesDivisibility Divisors and Remainder2020

What is the remainder when 51 × 27 × 35 × 62 × 75 is divided by 100?

A

50

B

25

C

5

D

1

Correct Answer: Option A

Explanation

To find the remainder of $\frac{51 \times 27 \times 35 \times 62 \times 75}{100}$, we should avoid multiplying these large numbers. As the context suggests, we can simplify the expression by finding common factors [52]. 1. **Identify Common Factors**:

More Number System & Series PYQs

View all Number System & Series questions →

Master UPSC Revision

Get 10,000+ topic-wise MCQs, spaced repetition, daily CSAT challenges, and detailed performance analytics.

Coming Soon to Play Store
Coming Soon to Play Store