Question
Number of students who obtained marks between the
interval of 70 -104 and 0-34 in Chemistry and Biology respectively is approximately what percent of the students who obtained the marks between the intervals 105-139 in Computer Science and Maths together?Solution
Number of students who obtained marks between 70-104 in Chemistry = 54 Number of students who obtained marks between 0-34 in Biology = 32 So total students = 54+32 = 86 Number of students who obatined marks between 105-139 in Computer Science and Maths together = 28+53 = 81 So Required percent =86/81
100 = 106.17% = Approx.106%
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