Sushil got thrice as many marks in English as in Science. His total marks in English, Science and Maths are 180. If the ratio of his marks in English and Maths is 1:2, find his marks in Science? Choose the correct choice from the following choices:  A) 19  B) 77  C) 66  D) 55  E) 31
S:E = 1:3   E:M = 1:2   ------------   S:E:M = 1:3:6   1/10 * 190= 
<gadget id="calculator">1/10 * 190</gadget>
<output>19</output>
19   19nswer: 19
<result>A</result>
Sushil got thrice as many marks in English as in Science. His total marks in English, Science and Maths are 180. If the ratio of his marks in English and Maths is 1:2, find his marks in Science?