PYQs with Video Solutions

Percentages and Fractions - Previous Year Questions

Question	Video Solution
11. In an examination, the score of A was 10% less than that of B, the score of B was 25% more than that of C, and the score of C was 20% less than that of D. If A scored 72, then the score of D was [2019 Slot-2]	Watch Video
12. In a group of people, 28% of the members are young while the rest are old. If 65% of the members are literates, and 25% of the literates are young, then the percentage of old people among the illiterates is nearest to (a) 59 (b) 55 (c) 62 (d) 66 [2020 Slot-1]	Watch Video
13. In the final examination, Bishnu scored 52% and Asha scored 64%. The marks obtained by Bishnu is 23 less, and that by Asha is 34 more than the marks obtained by Ramesh. The marks obtained by Geeta, who scored 84%, is (a) 439 (b) 357 (c) 399 (d) 417 [2020 Slot-3]	Watch Video
14. Identical chocolate pieces are sold in boxes of two sizes, small and large. The large box is sold for twice the price of the small box. If the selling price per gram of chocolate in the large box is 12% less than that in the small box, then the percentage by which the weight of chocolate in the large box exceeds that in the small box is nearest to (a) 135 (b) 124 (c) 127 (d) 144. [2021 Slot-1]	Watch Video
15. Raj invested Rs. 10000 in a fund. At the end of first year, he incurred a loss but his balance was more than Rs. 5000. This balance, when invested for another year, grew and the percentage of growth in the second year was five times the percentage of loss in the first year. If the gain of Raj from the initial investment over the two year period is 35%, then the percentage of loss in the first year is (a) 10 (b) 5 (c) 70 (d) 15 [2021 Slot-2]	Watch Video
16. A box has 450 balls, each either white or black, there being as many metallic white balls as metallic black balls. If 40% of the white balls and 50% of the black balls are metallic, then the number of non-metallic balls in the box is [2021 Slot-2]	Watch Video
17. In a tournament, a team has played 40 matches so far and won 30% of them. If they win 60% of the remaining matches, their overall win percentage will be 50%. Suppose they win 90% of the remaining matches, then the total number of matches won by the team in the tournament will be (a) 86 (b) 84 (c) 80 (d) 78 [2021 Slot-3]	Watch Video
18. The total of male and female populations in a city increased by 25% from 1970 to 1980. During the same period, the male population increased by 40% while the female population increased by 20%. From 1980 to 1990, the female population increased by 25%. In 1990, if the female population is twice the male population, then the percentage increase in the total of male and female populations in the city from 1970 to 1990 is (a) 68.75 (b) 68.25 (c) 69.25 (d) 68.50 [2021 Slot-3]	Watch Video
19. The salaries of three friends Sita, Gita and Mita are initially in the ratio 5 : 6 : 7, respectively. In the first year, they get salary hikes of 20%, 25% and 20%, respectively. In the second year, Sita and Mita get salary hikes of 40% and 25%, respectively, and the salary of Gita becomes equal to the mean salary of the three friends. The salary hike of Gita in the second year is (a) 26% (b) 28% (c) 30% (d) 25% [2023 Set-1]	Watch Video
20. The population of a town in 2020 was 100000. The population decreased by y% from the year 2020 to 2021, and increased by x% from the year 2021 to 2022, where x and y are two natural numbers. If population in 2022 was greater than the population in 2020 and the difference between x and y is 10, then the lowest possible population of the town in 2021 was (a) 74000 (b) 72000 (c) 73000 (d) 75000 [2023 Set-3]	Watch Video