Question

In a combined test in English and physics; 36% candidates failed in English; 28% failed in physics and 12% in both. Find:-● The percentage of passed candidates. ● The total number of candidates appeared if 208 candidates have failed. Explain it

Answer 1

english failed nos =36%
physics failed nos =28%
both english and physics failed nos= 12
total no of person appear in exam 100
passed persons = 100-(36+28-12) =48%
noof person failed exam =208
total person appear in exam= x×52/100=208
x =208×100/52=400

Answer 2

Answer:

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your answer is here !

Step-by-step explanation:

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english failed nos =36%

physics failed nos =28%

both english and physics failed nos= 12

total no of person appear in exam 100

passed persons = 100-(36+28-12) =48%

noof person failed exam =208

total person appear in exam= x×52/100=208

x =208×100/52=400

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