RRB Group D Model Paper 4 with solutions

Question : 27 of 100

Marks: +1, -0

If a @ b =

a^2+b^2

+ ab , then 3 @ 8 =

Solution:

(1) 3 @ 8
=

3^2+8^2

+ (3 × 8)
= 9 × 64 + 24
= 576 + 24
= 600

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