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

Question : 11

The square of a natural number when subtracted from its cube results in 48. The number is

a) 5

b) 6

c) 4

d) 8

Question : 12

The area of a circular play ground is ${3168}/{7}m^2$ . The diameter of the ground is

a) 22 m

b) 12 m

c) 24 m

d) 6 m

Question : 13

You have a rectangular frame that is 40 cm by 60 cm. Can you put a square picture that has an area of 800 $cm^2$ completely inside the frame?

a) No

b) Yes

c) Can't say

d) Data insufficient

Question : 14

The three numbers are in the ratio 2 : 3 : 4. The sum of their cubes is 33957. The numbers are,

a) 4, 6, 8

b) 6, 9, 12

c) 12, 18, 24

d) 14, 21, 28

Question : 15

$(74 × √676)- (42 × √{?})$ = 496

a) 1296

b) 1024

c) 1156

d) 1089

e) None of these