Fractions And Decimals(7th Grade > Mathematics ) Questions and answers for exam Preparation

7th Grade > Mathematics

FRACTIONS AND DECIMALS MCQs

Fractions, Decimals

Total Questions : 227 | Page 13 of 23 pages

\frac{1}{8}

as a decimal = ______

125
12.5
1.25
0.125

Discuss Question

Answer: Option D. -> 0.125
:
D
8's friend is 125 as

8 \times 125 = 1000

\frac{1}{8} \times \frac{125}{125} = \frac{125}{1000} = 0.125

Question 122. If 18 cartons of apple juice weigh

49 \frac{1}{2}

kg, then the weight of 1 carton of apple juice is ______ kg.

Discuss Question

Answer: Option A. -> 234
:
A
Weight of 1 carton of apple juice is,

= 49 \frac{1}{2} \div 18

= \frac{99}{2} \div \frac{18}{1}

= \frac{99}{2} \times \frac{1}{18} = \frac{11}{4} = 2 \frac{3}{4}

Question 123. Asha read

\frac{1}{4}

of a book. If the book has 72 pages, the number of pages she read is ______.

Discuss Question

Answer: Option A. -> 18
:
A
As per the question,
Asha read

\frac{1}{4}

of a book.
Number of pages in the book = 72
Number of pages she read

= \frac{1}{4} \times 72 = 18

Question 124. The product of two numbers is 1. If one number is

\frac{2}{3}

, then the other number is _________.

Discuss Question

Answer: Option D. -> 32
:
D
Given that
The product of two numbers= 1
One of the numbers =

\frac{2}{3}

The product of any fraction with its multiplicative inverse is always equal to 1.
Multiplicative inverse of

\frac{2}{3}

\frac{3}{2}

\Rightarrow

\frac{2}{3} \times \frac{3}{2}

= 1

∴

The other number is =

\frac{3}{2}

Question 125.

\frac{1}{4}

of a minute is ______ seconds

15 sec
18 sec
20 sec
30 sec

Discuss Question

Answer: Option A. -> 15 sec
:
A
1 minute = 60 seconds

\frac{1}{4}

of a minute is

\frac{1}{4} \times 60 = 15

seconds

Question 126. A tank can hold 1680 litres of water. How much water is there in it when it is

\frac{4}{7}

full?

240 litres
900 litres
960 litres
1000 litres

Discuss Question

Answer: Option C. -> 960 litres
:
C
Total volume of tank = 1680 L
Volume of tank when it is

\frac{4}{7}

full

= \frac{4}{7} \times 1680 = 960

Question 127. If Anu can eat

\frac{2}{6}

part of a medium pizza containing 6 slices, how many slices can Anu eat?

Discuss Question

Answer: Option B. -> 2
:
B
No. of slices which Anu can eat =

\frac{2}{6} \times 6

=2 slices

Question 128. Identify the proper fractions from the following:
1.

\frac{11}{7}

\frac{3}{7}

\frac{999}{99}

\frac{114}{788}

\frac{14}{100}

1, 2 and 4
2, 3 and 5
2, 4 and 5
1, 3 and 5

Discuss Question

Answer: Option C. -> 2, 4 and 5
:
C
A proper fraction is a fraction in which the numerator is lessthan the denominator.
In 2, the numerator (3) is lesser than the denominator (7).
In 4, the numerator (114) is lesser than the denominator (788).
In 5, the numerator (14) is lesser than the denominator (100).
Only 2, 4 and 5 satisfy this condition.
Hence, 2,4 and 5 are proper fractions.

Question 129. Add: