A school has only four classes having 10, 20, and 40 students respectively with pass percentage of 20%, 30%, 60%, and 100% respectively. Find the pass percentage of the entire school.

Created 1 year ago | Updated 3 weeks ago
(ক) 0.56
(খ) 0.76
(গ) 0.34
(ঘ) 0.66
No explanation available.

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