1800 boys and 900 girls appered for an examination.if 42% of the and 30% of girl passed,find (i) number of boys passesd (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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Given :-
1800 boys and 900 girls appered for an examination.if 42% of the and 30% of girl passed,find
(i) number of boys passesd
(ii) number of girls passed
(iii) total number of students passed
(iv) number of students failed
(v) percentage of students failed.
Solution :-
Number of boys passed the examination
=42/100×1800=756
Number of girls passed the examination
=30/100×900=270
Total number of student passed
=756+270=1026
Number of student failed
=(1800+900)−1026
By further calculation
=2700−1026
=1674
Percentage of students failed
=1674/2700×100=62%
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