Three sets of 40 50 and 60 students appeared for an examination and the pass percentage was 100 90 a...........

Quant (SSC) Percentage

Three sets of 40, 50 and 60 students appeared for an examination and the pass percentage was 100, 90 and 80 respectively. The pass percentage of the whole set is

88 2/3%

84 2/3%

88 1/3%

84 1/3%

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Explanation:

There are three sets of 40, 50 and 60 students.
∴ Total students = 40 + 50 + 60 = 150
And, total passed students = 100% of 40 + 90% of 50 + 80% of 60
= 40 + 45 + 48 = 133
Now, required percentage
= Total passed students /Total passed students x 100 = 133/150 x 100
= 266 /3 = 88 2/3%