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RS Aggarwal Solutions Class 8 Mathematics Solutions for Percentage Exercise 9B in Chapter 9 - Percentage
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5% of a number is 9. The number is
a) 45
b) 90
c) 135
d) 180
Answer:
Let us consider a number x
So, 5% of x = 9
5/100 × x = 9
5x = 900
x = 900/5 = 180
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