Test: Fractions and Decimals - Class 7 MCQ

Test: Fractions and Decimals - Class 7 MCQ

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30 Questions MCQ Test - Test: Fractions and Decimals

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Test: Fractions and Decimals - Question 1

What is the fraction of the shaded area?

Detailed Solution for Test: Fractions and Decimals - Question 1

Total number of blocks = 8
Number of shaded blocks = 1
Number of unshaded blocks = 7
⇒ Fraction of Shaded area =  No. of shaded blocks/ Total number of blocks = 1/8.
Thus, the correct answer is Option B.

Test: Fractions and Decimals - Question 2

Which of the following is a mixed fraction

Detailed Solution for Test: Fractions and Decimals - Question 2

A mixed fraction is a fraction formed by combining a whole number and a proper fraction.

Thus, the correct Option B.

Test: Fractions and Decimals - Question 3

What is the fraction of the shaded area ?

Detailed Solution for Test: Fractions and Decimals - Question 3

Total number of blocks = 8
Number of shaded blocks = 7
Number of unshaded blocks = 1
Fraction of Shaded area =  No. of shaded blocks/ Total number of blocks = 7/8
Thus the correct answer is Option C.

Test: Fractions and Decimals - Question 4

(1/2) x (1/5) = ____.

Detailed Solution for Test: Fractions and Decimals - Question 4

(1/2) x (1/5) = 1/10

Multiply both numerators and denominators.

Thus, the correct answer is Option B.

Test: Fractions and Decimals - Question 5

Apala ate 3/5 of an orange. The remaining orange was eaten by Meenu. What part of the orange was eaten by Meenu?

Detailed Solution for Test: Fractions and Decimals - Question 5

Test: Fractions and Decimals - Question 6

5 ÷ 5/2 is equal to

Detailed Solution for Test: Fractions and Decimals - Question 6

Test: Fractions and Decimals - Question 7

When 0.232323..... is converted into a fraction, then the result is:

Detailed Solution for Test: Fractions and Decimals - Question 7

Let x = 0.23232323 ….

100 × x = 100 × 0.23232323 ….

100x = 23.23232323 ….

100x = 23 + 0.23232323 ….

100x = 23 + x

99x = 23

x = 23/99

Test: Fractions and Decimals - Question 8

Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is:

Detailed Solution for Test: Fractions and Decimals - Question 8

Let the three consecutive odd integers be x, x+2, x+4
Three times the first of three consecutive odd integers is 3 more than twice the third.
∴ 3x=2(x+4)+3
∴ x=11
Hence, the third integer is 11+4=15.

Thus, the correct answer is Option D

Test: Fractions and Decimals - Question 9

1/3 ÷ 5/3 is equal to

Detailed Solution for Test: Fractions and Decimals - Question 9

Test: Fractions and Decimals - Question 10

0.01 × 0.01 = ______.

Detailed Solution for Test: Fractions and Decimals - Question 10
• Explanation:

• When multiplying decimals, you count the total number of decimal places in the numbers being multiplied. In this case, both numbers have 2 decimal places.

• Therefore, when you multiply 0.01 by 0.01, you get 0.0001.

•

0.01 × 0.01 = 0.0001
Thus, the correct answer is Option A.

Test: Fractions and Decimals - Question 11

Arrange the following in descending order:

(2/9), (2/3), (8/21)

Detailed Solution for Test: Fractions and Decimals - Question 11

First, we convert each fraction into a like fraction.
2/9 = (2 x 7)/(9 x 7) = 14/63
2/3 = (2 x 21)/(3 x 21) = 42/63
8/21 = (8 x 3)/(21 x 3) = 24/63.
If denominators are the same, then, greater the numerator, the greater will be the fraction.
∵ 42 > 24 > 14
⇒ (2/3) > (8/21) > (2/9)
Thus, the correct answer is Option A.

Test: Fractions and Decimals - Question 12

Ritu ate 3/5 part of an apple and the remaining apple was eaten by her brother Somu. How much part of the apple did Somu eat?

Detailed Solution for Test: Fractions and Decimals - Question 12

Part of apple eaten by Ritu = 3/5

Part of apple eaten by Somu = 1/1 - 3/5
= 5−3 / 5 = 2/5

Test: Fractions and Decimals - Question 13

One side of a square is 2/a, its perimeter is:

Detailed Solution for Test: Fractions and Decimals - Question 13

Side of square = 2/a
⇒ Perimeter = 4 x side of square = 4 x 2/a = 8/a
Thus the correct answer is Option D.

Test: Fractions and Decimals - Question 14

What will be the average of  0.3, 3, 0.03 and 0.002?

Detailed Solution for Test: Fractions and Decimals - Question 14

Given numbers are: 0.3 , 3 , 0.03 and 0.002
Average =  Sum of numbers divided by total numbers
⇒ Average = (0.3 + 3 + 0.03 + 0.002)/4 = 3.332 / 4 = 0.833
Thus, the correct answer is Option A.

Test: Fractions and Decimals - Question 15

The result of adding the difference of 3.003 and 2.05 to their sum is:

Detailed Solution for Test: Fractions and Decimals - Question 15

Given numbers are: 3.003 and 2.05
Sum of numbers = 3.003 + 2.05 = 5.053
Difference of numbers = 3.003 - 2.05  = 0.953
Adding the Difference of numbers to the Sum of numbers, 5.053 + 0.953 = 6.006
Thus, the correct answer is Option A.

Test: Fractions and Decimals - Question 16

Find the area of rectangle whose length is 6.7 cm and breadth is 2 cm.

Detailed Solution for Test: Fractions and Decimals - Question 16

Given: Length, L = 6.7 cm, Breadth, B = 2 cm
Area of rectangle = L x B = 6.7 x 2 = 13.4 cm2
Thus, the correct answer is Option B.

Test: Fractions and Decimals - Question 17

If 43m = 0.086 then m has the value:

Detailed Solution for Test: Fractions and Decimals - Question 17

43m = 0.086
⇒ m = 0.086/43 = 0.002.

Thus, the correct answer is Option A.

Test: Fractions and Decimals - Question 18

The value of  2.5 × 0.3 is:

Detailed Solution for Test: Fractions and Decimals - Question 18

Compute 2.5 x 0.3.
First, convert both the decimals into a fraction. That is,

= 75/100
= 0.75 [Converting back to decimals]
Hence, the value of 2.5 x 0.3 is 0.75.

Test: Fractions and Decimals - Question 19

The fraction (p+q)/q equals:

Detailed Solution for Test: Fractions and Decimals - Question 19

Step-by-step explanation:
Now taking an arbitrary fraction like -
(a+b)/c
This can be also written as a sum of a first divided by c and b divided by c.
like,
a/c + b/c
Now from the question, the given fraction is
(p+q)/q
Now, we will do the same steps first divide p by q and then divide q by q and take the sum of them
p/q + q/q
Now, q and q will divide and give 1 since they are the same numbers.

Test: Fractions and Decimals - Question 20

What is 3/5 of 25?

Detailed Solution for Test: Fractions and Decimals - Question 20

(3/5) of 25=  (3/5) x 25 = 3 x 5 = 15.
Thus, the correct answer is Option C.

Test: Fractions and Decimals - Question 21

5/7 ÷ 1/2 is equal to?

Detailed Solution for Test: Fractions and Decimals - Question 21

(5/7) ÷ (1/2) = (5/7) x (2/1) = 10/7
Thus, the correct answer is Option C.

Test: Fractions and Decimals - Question 22

Which of the following is an improper fraction?

Detailed Solution for Test: Fractions and Decimals - Question 22

A fraction in which the numerator is greater than the denominator is called an improper fraction.

Option A: 20 is less than 70
Option B: 30 is less than 40
Option C: 50 is greater than 20
Option D: 70 is less than 80

Thus, option C is the correct.

Test: Fractions and Decimals - Question 23

Which of the following is an equivalent fraction of  3/10?

Detailed Solution for Test: Fractions and Decimals - Question 23

Two fractions are said to be equivalent fractions if the simplest form of both the fractions is the same.

Option A: 6/20 = 3/10
Option B: 5/20 = 1/4
Option C: 1/40 = 1/40

Thus option A is correct.

Test: Fractions and Decimals - Question 24

2/3 of 66 is:

Detailed Solution for Test: Fractions and Decimals - Question 24

(2/3) of 66 = (2/3) x 66 = 44
Thus, the correct answer is Option D.

Test: Fractions and Decimals - Question 25

The product of two proper fractions is ______ than each of the fractions that are multiplied

Detailed Solution for Test: Fractions and Decimals - Question 25

The product of two proper fractions is less than each of the fractions that are multiplied.
Example: 1/2 x 1/4 = 1/8
1/8 < 1/2 and 1/8 < 1/4.

Thus, the correct answer is Option B.

Test: Fractions and Decimals - Question 26

Which two fractions are equivalent?

Detailed Solution for Test: Fractions and Decimals - Question 26

Divide whole of the fraction 8/6 by 2, we get 4/3.
Thus, the correct answer is Option B.

Test: Fractions and Decimals - Question 27

Express as rupees using decimals: 7 rupees 7 paise.

Detailed Solution for Test: Fractions and Decimals - Question 27

Test: Fractions and Decimals - Question 28

Detailed Solution for Test: Fractions and Decimals - Question 28

Test: Fractions and Decimals - Question 29

2.05 x 1.3 equals to?

Detailed Solution for Test: Fractions and Decimals - Question 29

2.05 x 1.3 = 2.665
Thus, correct answer is Option A.

Test: Fractions and Decimals - Question 30

What will be the value of ?

Detailed Solution for Test: Fractions and Decimals - Question 30

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