There are 200 question on a three hour examination. Among these questions are 50 mathematical problems. It is suggested that twice as much time be allowed for each mathematics problems as for each of the other questions. How many minutes should be spent on the mathematics problems?
A. 100
B. 72
C. 60
D. 36
E. 120
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সঠিক উত্তরঃ
B.
72
Explanation:
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