RRB Assistant Loco Pilot and Technician Model Paper 3 with solutions

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Question : 12 of 100

Marks: +1, -0

If x * y =

(x + 3)^2

(y –1), then the value of 5 * 4 is

192
182
$√2$
356

Solution:

(a) x * y =

(x + 3)^2

(y – 1)
⇒ 5 * 4 =

(5 + 3)^2

(4 – 1)
= 64 × 3 = 192

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