Aptitude - Squares & Cubes Online Quiz



Following quiz provides Multiple Choice Questions (MCQs) related to Squares & Cubes. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Questions and Answers

Q 1 - √535.9225= ?

A - 23.45

B - 28.25

C - 23.15

D - 24.15

Answer : C

Explanation

√535.9225 = √(23.15 x 23.15) = 23.15

Q 2 - 248 + √ 52 +√144

A - 14

B - 16

C - 16.6

D - 18.8

Answer : B

Explanation

Given exp.= √248  +√52+12  = √248+ √64 = √248+8   =√256 = 16

Q 3 - 112/ √196 * √576/12 *√256/8 =?

A - 8

B - 12

C - 16

D - 32

Answer : D

Explanation

given Exp = 112/14*24/12* 16/8 =(8*2*2)= 32

Q 4 - √0.0009 /√0.01= ?

A - 3

B - 0.3

C - 1/3

D - none of these

Answer : B

Explanation

Given expression = √0.0009/ √0/01 = 0.03/0.10 =3/10 =0.3

Q 5 - √0.000441 =?

A - 0.00021

B - 0.0021

C - 0.021

D - 0.21

Answer : C

Explanation

given Expression = √441/1000000 = 21/1000 =0.021

Q 6 - (√225/729 - √25/144) / √16/81

A - 1/48

B - 5/48

C - 5/16

D - none of these

Answer : C

Explanation

Now  √225/729   = 5/9  ,    √25/144 = 5/12 and  √16/81 = 4/9
∴  given expression = (5/9-5/12)/4/9 = (20-15)/36 /4/9 = 5/36 /4/9 = (5/36*9/4)
= 5/16

Q 7 - if √15 = 3.88, then what is the value of √5/3?

A - 1.29

B - 1.2934

C - 1.293

D - 1.295

Answer : C

Explanation

√5/3 = √15*9=  3.88/3  =1.293

Q 8 - if √0.05* 0.5*a = 0.5*0.05 *√b, then a/b=?

A - 0.0025

B - 0.025

C - o.25

D - 25

Answer : B

Explanation

√a/√b = 0.5*0.05/√0.05* 0.5 =  √0.5*0.05  ⇒ a/b
 =(0.5*0.05) = 0.025

Q 9 - if √2 =1.4142, then the value of √2/9 is:

A - 0.2321

B - 0.4714

C - 0.3174

D - 0.4174

Answer : B

Explanation

√2/9 = √2/3 = 1.4142/3  = 0.4714

Q 10 - √0.4 =?

A - 0.2

B - 0.02

C - 2

D - 0.632

Answer : D

Explanation

√0.4 = √ 0.632 * 0.632 = 0.632

aptitude_squares_cubes.htm
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