Percentage SSC-Maths (Part-8)

Total Questions: 37

31. In an examination of 180 marks of subjects, 75% marks are allocated for theory and the rest for project work. Veena scored 60% in theory. What percentage of marks must she score in the project to achieve an overall 62% marks in the subject ? [SSC CHSL 13/04/2021 (Evening)]

Correct Answer: (c) 68
Solution:

32. The expenditure on food is 35% of the income of a particular family. If the income is raised by 30%, then how much percentage (to the nearest whole number) of food expenditure is less than the initial percentage to keep the food expenditure unchanged? [SSC CHSL 16/04/2021 (Morning)]

Correct Answer: (c) 23
Solution:

33. The price of an article increases by 5% every year. If the difference between its price at the end of the second and the third year is Rs.52.5, then what will be its price at the end of the first year ? [SSC CHSL 19/04/2021 (Morning)]

Correct Answer: (a) 1,000
Solution:

34. If decreasing 110 by 𝓍% gives the same result as increasing 50 by 𝓍%, then 𝓍% of 650 is what percentage more than (𝓍 + 20) % of 180? (correct to nearest integer) [SSC CPO 23/11/2020 (Morning)]

Correct Answer: (c) 136%
Solution:

35. If the area of a square is decreased by 19%, then the diagonal of the square is decreased by: [SSC CPO 23/11/2020 (Evening)]

Correct Answer: (b) 10%
Solution:

36. The monthly salary of a person was 75,000. He used to spend on family expenses (E), Taxes (T), charity(C), and the rest were his savings, E was 60% of the income, T was 20% of E, and C was 15% of T. When his salary got raised by 40%, he maintained the percentage level of E, but T becomes 30% of E and C becomes 20% of T. The ratio of the saving of earlier to that of his present salary is: [SSC CPO 24/11/2020 (Morning)]

Correct Answer: (b) 655:644
Solution:

37. If decreasing 110 by 𝓍% gives the same result as increasing 50 by 𝓍%, then 𝓍% of 650 is what percentage (correct to the nearest integer) more than (𝓍 - 10)% of 780? [SSC CPO 25/11/2020 (Morning)]

Correct Answer: (a) 14%
Solution: