If x/y = ½ and x+2y = 10, then x is

A    2

B    3

C    4

D    5

Solution

Correct Answer: Option A

 

here, x/y= 1/2 or,2x=y so,  x+2y = 10 x+ 2.2x= 10 or, 5x=10 or,x= 10/5 =2 so.x=2

 

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