On this page, you will learn to solve the problems of Subtraction, then definitely read the article completely.
On the previous page, we have shared the posts of addition and multiplication, so read those posts as well.
Let us learn and understand how to solve subtraction problems today.
What is Subtraction
The process opposite to the process of Addition is called subtraction. When a number or digit is subtracted from another number or digit, it is called subtraction.
Subtraction is shown by – sign.
Example :-
- 10 – 4 = 6
- 20 – 8 = 12
- 30 – 7 = 23
- 40 – 12 = 28
- 50 – 25 = 25
Subtraction Question
Q.1 Subtract the following 20 – 6 – 4 – 2?
A.12
B.14
C.6
D.8
Solution: 20 – 8 – 4 – 2
= 20 – 12
Ans. 8
Q.2 Solve √128 – √60 – √121 – __?
A.11
B.21
C.36
D.7
Solution: = √128 – √60 – √121
= √128 – √60 – 11
= √128 – √49
= √128 – 7
= √121
= 11
Ans. 11
Q.3 One fourth of one third of a number is 24. What is this number?
A. 250
B. 287
C. 288
D. 300
Solution: Let the desired number be X.
Then 1/3 × 1/4 × X = 24
X = 24 × 3 × 4
X = 288
Ans. 288
Q.4 In three positive numbers, the product of first and second is 42, second and third is 56 and third and first is 48. What is the third number accordingly?
A.12
B.6
C.7
D.8
Solution:- Let the three numbers be a, b, c
a × b = 42 = 6 × 7
b × c = 56 = 7 × 8
c × a = 48 = 8 × 6
Thus, a × b × c = 6 × 7 × 8
Ans. 8
Q.5 The sum of two numbers is 8060. If one of the numbers is 5256. Then find the other number.
A.2,804
B.4,890
C.6,345
D.3,987
Solution:- According to the question,
Sum of two numbers = 8060
first number = 5256
Second number = 8060 – 5256
= 2,804
Hence the second number will be 2,804.
Read More Maths Topics : Roman Numbers 1 to 100
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