Maths - Percentage - Quiz 1

Questions in this quiz

All 25 questions covered in Maths - Percentage - Quiz 1. Answers and explanations unlock after you submit.

1. 1If A is 40% less than B and C is 40% of the sum of A and B, then by what percentage is B greater than C?
2. 2If 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?
3. 3The price of diesel is increased by 26%. A person wants to increase his expenditure by 15% only. By what percentage, correct to one decimal place, should he decrease his consumption?
4. 4If each side of a square is decreased by 17%, then by what percentage does its area decrease?
5. 5If A's salary is 30% more than B's salary, then by what percentage is B's salary less than that of A? (correct to one decimal place)
6. 6Rice is now being sold at Rs. 29 per kg. During the last month, its cost was Rs. 25 per kg. By how much percentage should a family reduce its consumption, so as to keep the expenditure the same as before? (correct to the nearest integer)
7. 7If house tax is paid before the due date, one gets a reduction of 12% on the amount of the bill. By paying the tax before the due date, a person got a reduction of Rs. 2,100. What was the amount (in Rs.) of the house tax?
8. 8A man spends 75% of his income. If his income increases by 28% and his expenditure increases by 20%, then what is the percentage increase or decrease in his savings?
9. 9A person's salary has increased from Rs. 7,000 to Rs. 12,000. What is the percentage increase in his salary?
10. 10A number is first increased by 40%, then decreased by 25%, then increased by 15% and then decreased by 20%. What is the net increase or decrease percent in the number?
11. 11If 49% of X = Y, then Y% of 50 is equal to:
12. 12If the numerator of a fraction is increased by 60% and the denominator is increased by 40%, the resultant fraction is 16/63. What is the original fraction?
13. 13Sachin's income is 25% more than Dileep's income. By how much percentage is Dileep's income less than Sachin's income?
14. 14If the length of a rectangle is increased by 12% and the breadth is decreased by 8%, what is the net effect on the area?
15. 15The sum of the number of male and female students in an institute is 100. If the number of male students is x, and the number of female students is x% of the total number of students, find the number of male students.
16. 16Find x, if 30% of 400 + x% of 70 = 25% of 536.
17. 17Two numbers are respectively 25% and 60% more than a third number. What is the ratio of the two numbers?
18. 18In an election, candidate X got 70% of the overall valid votes. If 20% of the overall votes were declared invalid and the total number of votes is 64,000, then find the number of valid votes polled in favour of the candidate.
19. 19A woman earns Rs. 1,000 per day. After some weeks, she earns Rs. 1,160 per day. By how much percentage did her earnings increase?
20. 20Kavita's attendance in her school for the academic session 2018-2019 was 216 days. On computing her attendance, it was observed that her attendance was 90%. What were the total working days of the school?
21. 21If 22% of x = 30% of y, then y : x is equal to:
22. 22If each edge of a cube is increased by 10%, then what is the percentage increase in its surface area?
23. 23If 40% of a number is less than its 60% by 30, then 20% of that number is:
24. 24A crate of fruits contains one spoiled fruit for every 25 fruits. 60% of the spoiled fruits were sold. If the seller had sold 48 spoiled fruits, then how many fruits were there in the crate?
25. 25Sachin scored 120 runs, which included 6 boundaries and 4 sixes. What percentage of his total score did he make by running between the wickets?