If 50% of a certain number is equal to `(3)/(4)`th of another number . What is the ratio between the numbers ?
A. `3:2`
B. `2:5`
C. `5:2`
D. `3:4`
A. `3:2`
B. `2:5`
C. `5:2`
D. `3:4`
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Correct Answer – A
(a) First number =x
Second number=y
`:. x xx(50)/(100)=yxx(3)/(4)`
`implies(x)/(2)=y xx (3)/(4) implies (x)/(y)=(3)/(4)xx2=(3)/(2)`
Alternate solution :
`.5x=.75y implies (x)/(y)=(3)/(2)`