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There Are 200 Questions On A 3 Hr Examination.among These Questions Are 50 Mathematics Problems.it Is Suggested That Twice As Much Time Be Spent On Each Maths Problem As For Each Other Question.how Many Minutes Should Be Spent On Mathematics Problems

Answer»

72

Explanation : let time taken for each of 150 questions is X

time taken for each maths QUESTION is 2x

total time period is 3hr=180min

150x+50(2x)=180

250x=180min

x=180/250=0.72min=43.2sec

time taken for maths problems is 43.2*2*50=72 min

72

Explanation : let time taken for each of 150 questions is x

time taken for each maths question is 2x

total time period is 3hr=180min

150x+50(2x)=180

250x=180min

x=180/250=0.72min=43.2sec

time taken for maths problems is 43.2*2*50=72 min



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