Price of CNG first increased by 10% and then by 15%, and it becomes finally Rs.80. Find the initial

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09 Dec 2020 Percentage

Price of CNG first increased by 10% and then by 15%, and it becomes finally Rs.80. Find the initial rate of CNG.

OPtion

1) 65
2) 68
3) 64.5
4) 70.5
5) 63.24
6) 75.24
7) 73.24
8) 62.53
9) 64.82
10) None of the above

Solution

The initial amount = 80 x 100/110 x 100/115 = 80 x 100 x 100/ (110 x 115) = 63.24

Correct Option: 5 Best Solution (3)