SSC CHSL 15 Oct 2020 Shift 1 Paper

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Question : 44 of 100

Marks: +1, -0

Select the option in which the numbers are related in the same way as are the numbers of the following set.
(26, 63, 124)

$(63,123,213)$
$(63,124,215)$
$(125,216,343)$
$(126,217,344)$

Solution:

As, in

(26,63,124)

26=27-1=3^{3}-1

63=64-1=4^{3}-1

124=125-1=5^{3}-1

Similarly, in

(63,124,215)

63=64-1=4^{3}-1

124=125-1=5^{3}-1

,

215=216-1=6^{3}-1

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