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Test: Fractions - 1


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10 Questions MCQ Test Mathematics for Class 4 | Test: Fractions - 1

Test: Fractions - 1 for Class 4 2022 is part of Mathematics for Class 4 preparation. The Test: Fractions - 1 questions and answers have been prepared according to the Class 4 exam syllabus.The Test: Fractions - 1 MCQs are made for Class 4 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Fractions - 1 below.
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Test: Fractions - 1 - Question 1

What is the value of ?

Detailed Solution for Test: Fractions - 1 - Question 1


= 25/2 + 37/3 + 73/6
= (75 + 74 + 73)/6
= 222/6
= 37

Test: Fractions - 1 - Question 2

Find the value of 

Detailed Solution for Test: Fractions - 1 - Question 2

⇒ 59/20

Test: Fractions - 1 - Question 3

7/9 of the people present in a hall are sitting in 9/13 of the chairs available and the rest are standing. If there are 28 empty chairs, how many chairs would have been still empty if everyone in the hall was sitting?

Detailed Solution for Test: Fractions - 1 - Question 3

Let the number of people be x and number of the chair be y.
Number of available chair = y × (9/13) = 9y/13
Number of empty chair = y - (9y/13) = 4y/13
Given, Number of empty chairs = 28
According to the question
4y/13 = 28
y = 28 × (13/4) = 91
Total number of chairs = 91
Number of chairs in which people are sitting = 91 - 28 = 63
Number of people who sit = x × (7/9) = 7x/9
According to the question
7x/9 = 63

x = 63 × (9/7) = 81
Total number of people are = 81
Chairs would have been still empty if everyone in the hall was sitting = 91 - 81 = 10

Test: Fractions - 1 - Question 4

Which of the following fractions is the largest?

Detailed Solution for Test: Fractions - 1 - Question 4

Given:
The fractions are 13/19, 25/ 31, 28/31, 70/79.

Calculation:
The values are-
13/19 = 0.68
25/31 = 0.80
28/31 = 0.90
70/79 = 0.88
∴ Option C is correct.

Test: Fractions - 1 - Question 5

Find the value of 

Detailed Solution for Test: Fractions - 1 - Question 5

We have to find the simplified value of 

Concept Used:
Concept of rationalisation: When an irrational number came in denominator in a fraction then it become difficult in calculation. To avoid this problem we multiply something with both numerator and denominator so that the denominator part become rational. This process is known as rationalisation.
In general, the process to make an irrational number to a rational number is called rationalisation.
a2 - b2 = (a + b)(a - b)


⇒ (√2 - 1) + (√3 - √2) + (√4 - √3) + ... + (√100 - √99)
⇒ - 1 + √100
⇒ 10 - 1
⇒ 9

Test: Fractions - 1 - Question 6

Express this term   as a fraction

Detailed Solution for Test: Fractions - 1 - Question 6

To convert a recurring decimal into a fraction For numerator write the number formed by all digits after the decimal then subtract the number without a bar(a number which is not repeated) after the decimal and for its denominator. The number is formed by as many nines as there are recurring digits repeated, followed by as many zeros as the number of non-repeating or non-recurring digits.
 = (541 - 5)/990
= 536/990 
∴ The required fraction is 536/990

Test: Fractions - 1 - Question 7

 = ?

Detailed Solution for Test: Fractions - 1 - Question 7



∴ 995

Test: Fractions - 1 - Question 8

 = ?

Detailed Solution for Test: Fractions - 1 - Question 8


⇒ 176 + 11/11
⇒ 176 + 1 = 177
∴ 177

Test: Fractions - 1 - Question 9

What is the value of ?

Detailed Solution for Test: Fractions - 1 - Question 9

Given expression is
⇒ 

⇒ 5/8
∴ The value of Expression is 5/8.
Note: Simplify using BODMAS: Bracket – Of – Division – Multiplication – Addition – Subtraction

Test: Fractions - 1 - Question 10

If x + 1/x = 99 then find the value of .

Detailed Solution for Test: Fractions - 1 - Question 10

Given:
x + 1/x = 99
Calculation: 

Divide by ‘x’ in numerator and denominator both, we get

⇒ 300/300 = 1

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