14. in an examination, 78% of the total students who appeared were successful. If the total number
failures was 176 and 34% got first class, then how many students got first class?
((a) 272
(b) 112
(c) 210
(d) 254
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Answer:
(a) 272
Step-by-step explanation:
let no.of total students appeared be x
78% were successful
100%-78%=%of failures
22% of x =176
22/100 * x=176
x=800
total students who appeared for exams =800
students who got first class=34%
=34% of 800
=34/100*800
=34*8
=272
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