# Square Roots and Cube Roots Questions

Q:

The cube root of .000216 is:

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

Answer & Explanation Answer: B) .06

Explanation:

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

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50 10790
Q:

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

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

Answer & Explanation Answer: D) 2600

Explanation:

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27 3842
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

Answer & Explanation Answer: C) 77

Explanation:

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

Number of members = $5929$ = 77.

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19 3455
Q:

The value of  $10+25+108+154+225$is:

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

Answer & Explanation Answer: A) 4

Explanation:

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

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16 2514
Q:

If x =

 A) 3sqrt{3} B) 8sqrt{3} C) 14 D) 14+8sqrt{3}

Answer & Explanation Answer: C) 14

Explanation:
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37 2452
Q:

 A) 3 B) 3sqrt{2} C) 6 D) None of these

Answer & Explanation Answer: D) None of these

Explanation:
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14 2312
Q:

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

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

Answer & Explanation Answer: B) 14.9985

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

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7 2044
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

Answer & Explanation Answer: D) 22.35

Explanation:

$⇒5=2.235$

$∴80+65=45+65=105=10×2.235=22.35$

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