SSC CGL 24 Aug 2021 Shift 2 Paper

Question : 13 of 100

Marks: +1, -0

Select the option that is related to the third number in the same way as the second number is related to the first number.
9:91::

13: ?

Solution:

As,

9: 91

\;\; =9: 9 ×(9+1)+1

\;\; =9: 9 × 10+1

\;\; =9: 91

Similarly, 13:?

\;\; =13: 13 ×(13+1)+1

\;\; =13: 13 × 14+1

\;\; =13: 182+1

\;\; =13: 183

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