Posts by kant

kant · Help Me !

Dharshi wrote:

If a number x is twice as large as a number y and if the sum of their squares is 3125, then x and y are, respectively.

x = 2y
x²+y²= 3125

so (2y)² + y² = 3125

i.e: 4y² +y² = 3125

5y² = 3125

y² = 3125 ÷ 5

= 625

y = √625
= 25

but x = 2y

so, x = 2×25

= 50

Answer: x = 50
y = 25

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