Question

Two numbers are such their diff ,their sum and their product are in the ratio 1;7:24.the product of the numbers is 
a) 24 b) 36 c) 48
d) 60


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Answer 1

Answer:

x+y/x-y=7/1

7x+7y=x-y

6x=8y

3x=4y

also, x-y/xy=1/24

24x-24y=xy

8(3x)-24y=xy

replace 3x by 4y

32y-24y=xy

8y=xy

x=8

y=(3/4)*8=6

xy=8*6=48 ans