There are 200 questions on a 3 hour examination. Among 200 questions,50 are from Maths, 100 are in G.K, and 50 are in Science. He spent twice as much as time on each Mathematics question as for each other question. How many minutes did he spend on Mathematics question?
a) 100
b) 60
c) 36
d) 72
e) None of these
a) 100
b) 60
c) 36
d) 72
e) None of these