Sushil got thrice as many marks in English as in Science. His total marks in English, Science and Maths are 162. If the ratio of his marks in English and Maths is 4:5, find his marks in Science?  Choices.
A) 10.9  B) 20.9  C) 30.9  D) 35  E) 45
S:E = 1:3   E:M = 4:5   ------------   S:E:M = 4:12:15   4/31 * 162 = 20.9   ANSWER:20.9
<result>B</result>
Sushil got thrice as many marks in English as in Science. His total marks in English, Science and Maths are 162. If the ratio of his marks in English and Maths is 4:5, find his marks in Science?