(1.2 × 1.85) + 3 = (3 \times ? )^2

RRB Group D Model Paper 8 with solutions

Question : 15 of 100

Marks: +1, -0

(1.2 × 1.85) + 3 =

(3 × ? )^2

Solution:

(3) (1.2 × 185) + 3
⇒ 222 + 3225
=

15^2 = (3 × 5)^2

⇒ ? = 5

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