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 6 of 23 pages

Question 51. The fractions

\frac{1}{20}

\frac{2}{30}

\frac{1}{35}

\frac{1}{25}

are called ___ ( like / unlike ) fractions.

Discuss Question

:
The given fractions are

\frac{1}{20}

\frac{2}{30}

\frac{1}{35}

\frac{1}{25}

.
The denominator of the given fractions are 20, 30, 35, 25. All the denominators are different.
Hence, they are unlike fractions.

Question 52. Giselle reads

\frac{3}{7}

of a book in the morning and

\frac{2}{7}

in the evening. What fraction of the book does Giselle read in a day?

Discuss Question

Answer: Option A. -> 57
:
A
As per the question
Giselle reads

\frac{3}{7}

of abook in the morning and

\frac{2}{7}

in the evening.
The fraction of the book read byGiselle in a day

= \frac{3}{7} + \frac{2}{7} = \frac{5}{7}

Question 53.

\frac{2}{13} + \frac{2}{13} = ?

Discuss Question

Answer: Option A. -> 413
:
A
The given fractions are like fractions because they have the same denominator.
When we add like fractions the denominator remains the same while we add the numerator.

\frac{2}{13} + \frac{2}{13} = \frac{4}{13}

Question 54. A teacher wrote the word TELEPHONE on the blackboard. What fraction of the letters are vowels?

Discuss Question

Answer: Option A. -> 49
:
A
The total number of alphabets in TELEPHONE is9.
There are 4 vowels inTELEPHONE(E,E,E,O).
Hence the fraction of the letters that are vowel is

\frac{4}{9}

Question 55.

What is the fraction of red objects in the bubble?

Discuss Question

Answer: Option B. -> 815
:
B
The total number of objects in the bubble are 15.
Number of red stars in the bubble are 4.
Number of red marbles in the bubble are 4.
The number of red objects (stars + marbles) = 4 + 4 = 8
The fraction of red objects in the bubble is

\frac{8}{15}

Question 56.

What fraction of the cubes are not yellow?

Discuss Question

Answer: Option D. -> 59
:
D
There total number of cubes=9
Number of red cubes = 3
Number of pink cubes = 2
Number of yellow cubes = 4
Number of cubes that are not yellow = 3 + 2 = 5
So, the fraction of cubes whichare yellow

= \frac{5}{9}

Question 57. What is the fraction of shaded petals in the given picture? .

Discuss Question

Answer: Option A. -> 37
:
A
The given figure has 7 equal parts out of which 3 are shaded.
Hence, the fraction of the shaded petals =

\frac{3}{7}

Question 58. By how much is

\frac{18}{20}

greater than

\frac{7}{20}

720
1820
2520
1120

Discuss Question

Answer: Option D. -> 1120
:
D
The given fractions are

\frac{18}{20}

and

\frac{7}{20}

.
They are like fractions because they have the same denominator.
As per the question we have to find the difference between them.

\frac{18}{20} - \frac{7}{20} = \frac{18 - 7}{20} = \frac{11}{20}

Hence,

\frac{18}{20}

isgreater than

\frac{7}{20}

\frac{11}{20}

Question 59. What fraction of natural numbers from 2 to 10 are prime numbers?

Discuss Question

Answer: Option D. -> 49
:
D
Natural numbers from 2 to 10are: 2, 3, 4, 5, 6, 7, 8, 9, 10
Number of Natural numbers from 2 to 10= 9
Prime numbers from 2 to 10: 2, 3, 5, 7
Number of Prime numbers from 2 to 10= 4
Hence, the fraction of prime numbers from 2 to 10=

\frac{4}{9}

Question 60. How many one-fifths will make a whole?

Discuss Question

Answer: Option C. -> 5
:
C
One-fifth is one part of a whole, where the whole is divided into five equal parts. Hence, five one-fifths will make a whole.
We can also see it numerically below.