Question

X :Y = 5:1, XY = 320 ആയാൽ X, Y എത്ര?

• A. 16,20
• B. 8,40
• C. 40,8
• D. 20,16

Answer 1

Answer:

C. 40,8

X =5x

Y = x

Given XY = 320

$5x\times x = 320$

$5x^2 = 320$

$x^2 = 64$

x = 8

$X = 5\times x$

$= 5\times8$

X = 40

Y=8