30% of a number is equal to 70% of another. Ratio of the numbers is

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21 Apr 2021 Ratio

30% of a number is equal to 70% of another. Ratio of the numbers is

OPtion

1) 4/3
2) 3/5
3) 5/3
4) 2/5
5) 3/8
6) 3/7
7) 2/7
8) 5/4
9) 4/5
10) None of the above

Solution

30a/100 = 70b/100
3a = 7b
a/b = 3/7

Correct Option: 6 Best Solution (3)