Decimal Numbers Quiz Set 004

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Question 1

What is z in $8.344 + 0.2 - z = 0.06$?

 A

8.484.

 B

7.484.

 C

6.484.

 D

8.448.

Soln.
Ans: a

z = (0.2 + 8.344) - 0.06 = 8.484.


Question 2

What is 0.009 × 0.18?

 A

$1.62 × 10^{-3}$.

 B

$1.62 × 10^{-2}$.

 C

$1.62 × 10^{-4}$.

 D

$1.62 × 10^{-1}$.

Soln.
Ans: a

Question 3

What is x in $0.046/x = 0.0046$?

 A

10.

 B

1.

 C

0.1.

 D

100.

Soln.
Ans: a

The expression becomes $x = {46/46} × {10000/1000}$ = 10.


Question 4

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

 A

0.06.

 B

0.6.

 C

0.006.

 D

6.0.

Soln.
Ans: a

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


Question 5

What is $61{22/100000}$?

 A

61.00022.

 B

0.142.

 C

0.0142.

 D

0.00142.

Soln.
Ans: a

The given expression can be written as ${61 × 100000 + 22}/100000$ which is same as $6100022/100000$ which gives 61.00022


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Creative Commons License
This Blog Post/Article "Decimal Numbers Quiz Set 004" by Parveen (Hoven) is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Updated on 2017-10-26.

Posted by Parveen(Hoven),
Aptitude Trainer


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