RRB NTPC Mains or Stage 2 Model Paper 6 with solutions

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Question : 27 of 119

Marks: +1, -0

√110.25×√0.01 ÷√0.0025 – √420.25

equa ls to:

0.75
0.50
0.64
0.73

Solution:

(b)

∴√110.25 ×√0.01 ÷√ 0.0025 –√ 420.25

=10.5 ×0.1/0.05 – 20.5= 1.05/0.05 – 20.5

=21-20.5
= 0.5

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