Two numbers are is the ratio 6:7. If the difference of their squares i – InterviewSolution

1.

Two numbers are is the ratio 6:7. If the difference of their squares is 117 find the two numbers.

Answer»

Let the two numbers are 6x and 7x

i.e., (7x)² – (6x)²= 117

49x² – 36x²= 117

13x² = 117

⇒ x = 3

∴ The numbers are 3(6) and 3(7) = 18 and 21.

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