RRB RPF RPSF SI and CONS Model Papers 5 with solutions

Question : 74 of 119

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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