3. 1800 boys and 900 girls appeared for an examination. If 42% of the boys and 30% of
the girls passed, find
(i) number of boys passed
(ii) number of girls passed
(iii) total number of students passed (iv) number of students failed
(v) percentage of students failed.
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Answer:
a- 18*42=756
b-18*30=540
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