Model 2 Simplification based on square & square root Practice Questions Answers Test with Solutions & More Shortcuts

Question : 6 [SSC CPO S.I.2006]

${(3.63)^2 - (2.37)^2}/{3.63 + 2.37}$ is simplified to

a) 1.36

b) 2.26

c) 6

d) 1.26

Question : 7 [SSC CGL Prelim 2000]

$(√{72} - √{18}) ÷ √{12}$ is equal to:

a) $√{3}/2$

b) $√{2}/3$

c) $√{6}$

d) $√{6}/2$

Question : 8

The value of $√{{(0.1)^2 + (0.01)^2 + (0.009)^2}/{(0.01)^2 + (0.001)^2 + (0.0009)^2}}$ is :

a) 10

b) 0.1

c) $10^2$

d) 0.01

Question : 9 [SSC CGL Prelim 2002]

The value of $√{0.000441}$ is equal to :

a) 0.0021

b) 0.021

c) 0.21

d) 0.00021

Question : 10 [SSC CGL Prelim 1999]

On simplification of ${(2.644)^2 - (2.356)^2}/{0.288}$ we get :

a) 4

b) 5

c) 1

d) 6