# Square Roots and Cube Roots Questions

Q:

The cube root of .000216 is:

 A) .6 B) .06 C) 77 D) 87

Explanation:

$.00021613=21610613=6*6*6102*102*10213=6102=0.06$

58 13258
Q:

If $0.00000676=0.0026$ then $6760000$ is:

 A) 2.6 B) 26 C) 260 D) 2600

Explanation:

34 5201
Q:

A group of students decided to collect as many paise from each member of group as is the number of members. If the total collection amounts to Rs. 59.29, the number of the member is the group is:

 A) 57 B) 67 C) 77 D) 87

Explanation:

Money collected = (59.29 x 100) paise = 5929 paise.

Number of members = $5929$ = 77.

24 4448
Q:

The value of  $10+25+108+154+225$is:

 A) 4 B) 6 C) 8 D) 10

Explanation:

$10+25+108+154+22510+25+108+154+1510+25+108+1310+25+1110+616=4$

21 4414
Q:

If (89)2 is added to the square of a number, the answer so obtained is 16202. What is the (1/26) of that number?

 A) 5.65 B) 2.7 C) 3.5 D) 6.66

Explanation:

Let the number is = x

(89)2 + x2 = 16202

x2 = 8281

x = 91

=> (1/26) of 91 = 3.5

16 4037
Q:

If $35+125=17.88$, then what will be the value of

 A) 13.41 B) 20.46 C) 21.66 D) 22.35

Explanation:

$⇒5=2.235$

$∴80+65=45+65=105=10×2.235=22.35$

9 3988
Q:

What should come in place of both the question marks in the equation

$?128=162?$

 A) 12 B) 14 C) 144 D) 196

Explanation:

Let $x128=162x$

Then,

$∴x=12$

15 3738
Q:

If $18225=135$, then the value of   is:

 A) 1.49985 B) 14.9985 C) 149.985 D) 1499.85

Explanation:

Given exp = $18225102+18225104+18225106+18225108$

= $1822510+18225102+18225103+18225104$

= $13510+135100+1351000+13510000$

= 13.5+1.35+0.135+0.0135=14.9985