Squareroots & Cuberoots Model Questions Set 1 Practice Questions Answers Test with Solutions & More Shortcuts

Question : 6

$(13)^2 - (5)^2 - √676 +7 = (?)^2$

a) 20

b) 10

c) $√5$

d) $(25)^2$

e) 5

Question : 7

The hypotenuse of an isosceles right angled triangular field has a length of $30√2$ m, the length of other side is

a) 30 m

b) $30√2$

c) 25 m

d) None of these

Answer: (a)

$(30√2)^2=a^2+a^2$

1800=$2a^2$

$a^2$=900

a = 30m

Question : 8

$(13)^2 - (4)^3$ - $√{676}$ + 2 = $(?)^2$

a) 9

b) 3

c) 81

d) 27

e) 18

Question : 9

$(656 ÷ 164)^2 = √{?}$

a) 16

b) 14

c) 64

d) 256

e) None of these

Question : 10

255 ÷ 17 ÷ 5 = $(?)^2$

a) $√3$

b) 9

c) 3

d) 27

e) 81