Exam Maths Puzzle Numerical Ability Geometry

WO NUMBERS ARE SUCH THAT THE RATIO OF THEIR SUM, DIFFERENCE AND PRODUCT IS 11:1:90. wHAT IS THE SUM OF THE SQUARES OF THE NUMBERS ?
A. 540 B. 549 C. 541 D. 543

Read Solution (Total 1)

x+y=11k --(1)
x-y=1k---- (2)
xy=90k--- (3)
sloving equaction 1 and 2
get x=6k
so y= 5k
put x and y in 3 eq
get k=3
so
x=18,y=15
answer is b
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Exam Other Question

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