80% pass in english, 70%pass in maths , 10%fail in both ,
144 pass in both . How many all appeared to the test?
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Answer Posted / syed
if 10% fail in both then it means 90% pass in both.
Therefore 90% of total candidates = 144
90/100 * total candidate = 144
total candidate = (144*100)/90
= 160
| Is This Answer Correct ? | 14 Yes | 22 No |
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