model 2 based on simplification Practice Questions Answers Test with Solutions & More Shortcuts

Question : 11 [SSC SO 2005]

When $(4 + √7)$ is presented in the form of perfect square it will be equal to

a) $(1/√2(√7 + 1))^2$

b) $(2 + √7)^2$

c) $(√3 + √4)^2$

d) $(√7/2 + 1/2)^2$

Question : 12 [SSC SO 2003]

The approximate value of ${3√{12}}/{2√{28}}$ ÷ ${2√{21}}/√{98}$ is

a) 1.6026

b) 1.0727

c) 1.6007

d) 1.0606

Question : 13

$2√^3{32} - 3√^3{4} + √^3{500}$ is equal to :

a) $6√^3{4}$

b) $4√^3{6}$

c) 916

d) $3√{24}$

Question : 14

$(√8 - √4 - √2)$ equals :

a) 2

b) 2 - $√2$

c) - 2

d) $√2$ - 2

Question : 15 [SSC CGL Prelim 2002]

The value of $(256)^{0.16} × (16)^{0.18}$ is :

a) 16

b) 4

c) 256

d) - 4