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## Percentages: Practice Exercise-3

Question 1: In an examination, 75% candidates passed in English and 60% passed in Mathematics. 25% failed in both and 240 passed the examination. Find the total number of candidates.
(a) 492
(b) 300
(c) 500
(d) 400

Question 2: In an examination, 93% of students passed and 259 failed. The total number of students appearing at the examination was:
(a) 3700
(b) 3850
(c) 3950
(d) 4200

Question 3: In an examination, 1100 boys and 900 girls appeared, 40% of the boys and 50% of the girls passed the examination. The percentage of candidates who failed is:
(a) 45%
(b) 45.5%
(c) 50%
(d) 55.5%

Question 4: A box has 100 blue balls, 50 red balls and 50 black balls, 25% of blue balls and 50% of red balls
are taken away. Then, percentage of black balls at present is
(a) 25%
(b) 100/3 %
(c) 40%
(d) 50%

Question 5: In an examination in which full marks were 500. A got 10% less than B. B got 25% more than C, C got 20% less than D. If A got 360 marks, what percentage of full marks was obtained by D?
(a) 90%
(b) 80%
(c) 50%
(d) 60%