Decimal Numbers Quiz Set 002

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Question 1

What is x in $0.006/x = 0.1$?

 A

0.06.

 B

0.6.

 C

6.0.

 D

0.006.

Soln.
Ans: a

The expression becomes $x = {6/1000} × {10}$ = 0.06.


Question 2

What is ${(-27) × 9.6 - 73 × (-3.6)}/9.6$?

 A

${3/8}$.

 B

${1/8}$.

 C

${5/8}$.

 D

${7/8}$.

Soln.
Ans: a

Observe that all fractional numbers are having one digit to the right of the dot. So we can cancel all the dots and get a plain expression: ${(-27) × 96 - 73 × (-36)}/96$. We can now simpilfy the minus signs to get ${(73 × 36) - (27 × 96)}/96$ which equals ${3/8}$


Question 3

What is $81{46/100000}$?

 A

81.00046.

 B

81.0046.

 C

81.046.

 D

81.000046.

Soln.
Ans: a

The given expression can be written as ${81 × 100000 + 46}/100000$ which is same as $8100046/100000$ which gives 81.00046


Question 4

If $5.57/0.4$ = 13.925, then $0.0557/4$ = ?

 A

0.013925.

 B

0.13925.

 C

0.0013925.

 D

1.3925.

Soln.
Ans: a

Numerator is divided by 100, and denominator multiplied by 10, so the answer should get divided by 1000.


Question 5

What is z in $6.599 + 0.3 - z = 0.04$?

 A

6.859.

 B

0.4.

 C

4.0.

 D

8.659.

Soln.
Ans: a

z = (0.3 + 6.599) - 0.04 = 6.859.


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Creative Commons License
This Blog Post/Article "Decimal Numbers Quiz Set 002" by Parveen (Hoven) is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Updated on 2017-06-24.

Posted by Parveen(Hoven),
Aptitude Trainer


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