Question

a=15%,b=20% so a:b=?

Answer 1

a=15% and b=20%
Then, a:b
=15÷100×100÷20
=3:4 is the required answer

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Answer 2

a= 15% =15/100=3/20
b=20%=20/100=1/5

According to the question :-
3/20:1/5
=3/4

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