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If x + y = 52 and x - y = 20, then find ...

If x + y = 52 and x - y = 20, then find the value of x : y.
यदि x + y = 52 तथा x - y = 20 है, तो x : y का मान कितना है?

A

`3 : 2`

B

`3 : 4`

C

`9:4`

D

`7:5`

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PINNACLE-RATIO & PROPORTION-EXERCISE
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