Question

A got twice as many marks in English
as in Science. His total marks in
English Science and Mathematics in
180. If the ratio of his marks in Englis
and Mathematics is 2:3, what is his
marks in Science?​

Answer 1

Answer:

Let marks in english,math and science are E, M, S respectively

∴ given , 2S = E

S : E = 1 : 2

E : M = 2 : 3

∴S:E:M

Let, x : 2x : 3x

x+2x+3x=6x=180

x = 30

∴ Marks in science=1×30=30

Marks in English=2×30=60

Marks in Maths=3×30=90