in an examination 12% candidates failed in physics 10% failed in maths 6% failed in both if the total number who passed in physics alone is 100 then the total no of candidates who gave the examination are?
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Answer:
1000
Step-by-step explanation:
10% of x = 100 (Physics)
10/100 x = 100
1/10 x = 100
x =1000
Total no. of candidates;
100+ 12/100×1000+6/100×1000+72/100×1000
100+120+60+720
1000,,
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