Direction: Study the following histogram of marks in mathematics (out of 50) of students in a class and answer the following questions.
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The percentage of number of passed students is (31 is the pass marks)
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85 8 % 9 -
86 8 % 9 -
87 8 % 9 -
88 8 % 9
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Correct Option: D
From the given above histogram , we can see
Total students ⇒ 135
Successful students ⇒ 20 + 40 + 50 + 10 = 120
∴ Required percent = | × 100 | 35 |
Required percent = | = 88 | % | 9 | 9 |