If x and y vary inversely, find x2 and y3. x25x2552Y6055y3
A
x2=25011,y3=60011
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B
x2=3011,y3=6011
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C
x2=30011,y3=60011
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D
x2=30011,y3=61011
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Solution
The correct option is Cx2=30011,y3=60011 Given, x and y vary inversely. x1×y1=x2×y2=x3×y3 x1=25,y1=60,y2=55,x3=552
So, x2=x1×y1y2 ⇒x2=25×6055=30011 y3=x1×y1x3 ⇒y3=25×60(552)=60011