SSC CGL Model Paper 20

Question : 15 of 100

Marks: +1, -0

If 17@1 = 8; 9@1 = 4;6@4 = 1; then what is the value of 8@2 = ?

Solution:

As,

1 7@ 1 ⇒ 1 7 -1 = 1 6⇒16/2 = 8

9@1 ⇒9 - 1 = 8⇒8/2=4

and

6 @ 4 ⇒ 6 -4 = 2 ⇒2/2=1

Similarly,

8@2⇒ 8 - 2 = 6 ⇒6/2=[3]

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