Question

if x% of 500 , y%of 300 and x % and y% =200=60 ​

Answer 1

Answer:

x% of 500 = y% of 300 and x% of y% of 200 = 60, then x = ?

A) 102–√

B) 202–√

C) 152–√

D) 302–√

Correct Answer:D

Description for Correct answer:

x×500100=y×300100=>5x=3y

=>y=53x.......(i)

Again,xy×200100×100=60

=>xy=3000=>x×53x=3000

=>x2=3000×35=1800

=>x=1800=√2×3×3×10×10

=302–√2