Two number is first increased by 10 % and then reduced by 10 % the number ?

– by 0

A. 4:5
B.  3:5
C.  2:5
D. 6:7

Then 1st number = 120% of x = (120/100 × x) = 6x/5

2nd number = 150 % of x = (150/100 × x) = 3x/2

Ratio of these numbers = 6x/5 : 3x/2 = 12: 15 = 4 : 5

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