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If a number is increased by 20, it becomes 45. Then the number is _____

Solution:

Let the number be x

A/Q,

x + 20 = 45

x = 45 - 20

x = 25

Hence, if a number is increased by 20, it becomes 45. Then the number is 25.

✦ Try This: If a number is increased by 12, it becomes 39. Then the number is _____.

Let the number be x

A/Q,

x + 12 = 39

x = 39 - 12

x = 27

Hence, if a number is increased by 12, it becomes 39. Then the number is 27.

☛ Also Check: NCERT Solutions for Class 7 Maths Chapter 4

NCERT Exemplar Class 7 Maths Chapter 4 Problem 46

Summary:

If a number is increased by 20, it becomes 45. Then the number is 25

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