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Quantitative Aptitude

PERCENTAGE MCQs

Percentages

Total Questions : 2296 | Page 26 of 230 pages
Question 251. When the price of an article was reduce by 20%, its sale increased by 80%. What was the net effect on the sale ?
  1.    44% increase
  2.    44% decrease
  3.    66% increase
  4.    75% increase
 Discuss Question
Answer: Option A. -> 44% increase
Question 252. In an examination, 34% failed in Mathematics and 42% failed in English. If 20% failed in both the subjects, the percentage of students who passed in both subjects was :
  1.    54%
  2.    50%
  3.    44%
  4.    56%
 Discuss Question
Answer: Option C. -> 44%
Question 253. In an election there were only two candidates. One of the candidate secured 40% of votes and is defeated by the other candidate by 298 votes. The total number of votes polled is :
  1.    745
  2.    1460
  3.    1490
  4.    1500
 Discuss Question
Answer: Option C. -> 1490
Question 254. In what ratio must a mixture of 30% alcohol strength be mixed with that of 50% alcohol strength so as get a mixture of 45% alcohol strength ?
  1.    1 : 2
  2.    1 : 3
  3.    2 : 1
  4.    3 : 1
 Discuss Question
Answer: Option B. -> 1 : 3
Question 255. When 60% of a number is subtracted from another number, the second number reduces to its 52%, the ratio of the first number to the second number is :
  1.    6 : 5
  2.    5 : 3
  3.    5 : 4
  4.    4 : 5
 Discuss Question
Answer: Option D. -> 4 : 5
Question 256. The ratio of the number of boys and girls in school at 8 : 12. If 50% of boys and 25% of girls are getting scholarship for their studies, what is the percentage of school students who are not getting any scholarships ?
  1.    65%
  2.    66%
  3.    67%
  4.    68%
 Discuss Question
Answer: Option A. -> 65%
Question 257. In an election between two candidates, 75% of the voters cast their votes, out of which 2% votes were declared invalid. A candidate got 9261 votes which were 75% of the valid votes. The total number of voters enrolled in that election was :
  1.    16000
  2.    16400
  3.    16800
  4.    18000
 Discuss Question
Answer: Option C. -> 16800
Question 258. In an examination there were 640 boys and 360 girls, 60% of boys and 80% of were successful. The percentage of failure was :
  1.    20%
  2.    60%
  3.    30.5%
  4.    32.8%
 Discuss Question
Answer: Option D. -> 32.8%
Question 259. 1 litre of water is added to 5 litres of alcohol-water solution containing 40% alcohol strength. The strength of alcohol in the new solution will be :
  1.    30%
  2.    33%
  3.    $$33\frac{2}{3}$$%
  4.    $$33\frac{1}{3}$$%
 Discuss Question
Answer: Option D. -> $$33\frac{1}{3}$$%
Question 260. Each side of a rectangular field is diminished by 40%. By how much percent is the area of the field diminished ?
  1.    32%
  2.    64%
  3.    25%
  4.    16%
 Discuss Question
Answer: Option B. -> 64%

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