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If U+V =80 and U: V=5:3, then the value ...

If U+V =80 and U: V=5:3, then the value of U - V will be:
यदि U+V =80 तथा U: V=5:3 है, तो U - V का मान कितना है?

A

20

B

15

C

30

D

25

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