model 4 simplifying roots with values Practice Questions Answers Test with Solutions & More Shortcuts

Question : 11

Given that $√5$ = 2.24, then the value of ${3√5}/{2√5 -0.48}$ is

a) 168

b) 16.8

c) 0.168

d) 1.68

Question : 12

If $√15$ = 3.88, then what is the value of $√{5/3}$

a) 1.295

b) 1.29

c) 1.29$\ov{3}$

d) 1.2934

Question : 13 [SSC DEO 2008]

If $√3$ =1.732, is given, then the value of ${2+ √3}/{2 -√3}$ is

a) 13.925

b) 12.928

c) 11.732

d) 13.928

Question : 14 [SSC CHSL 2015]

If $√7$ = 2.646, then the value of $1/√28$ up to three places of decimal is :

a) 0.189

b) 0.187

c) 0.183

d) 0.185

Question : 15 [SSC CGL Tier-II 2015]

If $√5329$ = 73, then the value of $√5329 + √53.29 + √0.5329 + √0.005329 + √0.00005329$ is

a) 81.1013

b) 81.1103

c) 81.1003

d) 81.0113