RRB Junior Engineer Stage 1 Model Papers 5

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Question : 30 of 100

Marks: +1, -0

If

√{0.03×0.3a}=0..3×0.3×√b

value of

a/b

is

0.009
0.09
0.09
0.08

Solution:

√{0.03×0.3×a}=0.3×0.3√b

On squaring,

0.03 × 0.3 × a = 0.09 × 0.09 × b

⇒ a/b={0.09×0.09}/{0.03×0.3}=0.9

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