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Question

The product of two consecutive natural numbers is 110. The greater of the two numbers is:

This question was previously asked in
RRB NTPC 2024 CBT 1 Question Paper (28-Aug-2025) (Shift 3)
The correct answer is
11

Consecutive Numbers Product 110

Let the two consecutive natural numbers be n and n+1.

Their product is given as 110:

$ n \times (n+1) = 110 $

Finding the Consecutive Numbers

We need to find two consecutive natural numbers that multiply to 110. We can test pairs of consecutive numbers:

  • Test $9 \times 10$: This equals 90, which is less than 110.
  • Test $10 \times 11$: This equals 110, matching the required product.

The two consecutive natural numbers are 10 and 11.

Determining the Greater Number

The question asks for the greater of the two numbers found.

Comparing 10 and 11, the greater number is 11.

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