SSC Steno Grade C and D 14 Sep 2014 Paper

Directions (1- 6) : In each of the following questions, select the related letter/word/ number from the given alternatives

Question : 1 of 200

Marks: +1, -0

7 : 47 : : 9 : ?

Solution:

(4) The relation is

⇒x : x^2 – 2

(7)^2 – 2 = 49 – 2 = 47

Similarly,

(9)^2 – 2 = 81 – 2 = 79

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