RRB Group D Model Paper 6 with solutions

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Question : 94 of 99

Marks: +1, -0

√1296/?=?/4

, Find the missing digit.

9
12
10
15

Solution:

(2) Let

√1296/x=x/4

⇒

36/x=x/4

[∵

√1296

= 36]
⇒

x^2

= 36 × 4
⇒

x^2

= 144
=

√144

= 12

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