WorksheetsQA- Interest. discount and Average.
Total questions: 20
Worksheet time: 20mins
What is the actual (equivalent) discount of three successive discounts of 8%, 10%, and 12% by the sale of an article?
27.631
28.136
27.136
28.316
A sum of Rs 10,000 is invested at a rate of interest 8% p.a. compounded half-yearly. What will be the maturity amount in 1.5 years?
10816.20
11200.00
11248.64
10108.64
A sum of Rs 50,000 is invested for 1 year at an interest rate of 10% p.a. compounded on a half-yearly basis. Find the amount of investment at the end of 1 year.
5000
4175
5125
4715
A sum of money with compound interest becomes Rs 400 in 2 years and Rs 300 in 3 years. Find the sum.
256
356
250
351
A sum of Rs 2000 yields Rs 180, which is simple interest in 9 months. Find the annual rate of interest.
10%
14%
12%
16%
The compound interest on a certain sum of money for 3 years at 10% p.a. is Rs 993. The simple interest for the same sum at 8% p.a. for 4 years would be equal to?
950
900
1000
960
A certain sum of money doubles in 4 years at a compound rate of interest p.a. Find the rate of interest.
20.72
18.92
17.72
19.72
If the price of a computer first decreased by 30% and then increased by 10%. Then the net change in the price will be?
23
26
24
25
Find a single discount equivalent to a series discount of 20%, 10%, and 5%.
30.5%
21.6%
25.3%
31.6%
A man invests Rs 8000 in a finance company which provides 24% annual compound interest, compounded monthly. Compute the compound interest for 3 months.
528.44
489.66
487.44
525.66
The average of 7 consecutive numbers is 20. The largest of the numbers is?
21
24
22
23
The average of 5 consecutive numbers is 61. Find the difference between the highest and lowest numbers.
8
7
10
5
The mean of 4 numbers a, b, c, d is 100. If c = 70, Find the mean of the remaining numbers.
100
110
150
120
Anil played 8 cricket matches from which the mean of the runs is 80. After playing 4 more matches, the mean becomes 70. Find the total runs from the last 4 matches.
250
150
180
200
A group of 210 students went for a test. The mean of marks scored by 1/3rd of the students is 60. The mean of the remaining students is 78. Find the mean of the whole group.
70
75
74
72
The average of 10 numbers is 40. If the average of 6 numbers is 28, What is the average of the remaining 4 numbers?
58
54
52
50
In a factory, the average salary of the employees is 7000. If the average salary of 12 employees is 40,000 and that of the remaining is 6000, find the number of employees.
410
500
408
400
The mean marks of 40 students in a class is 65. The mean marks of half of the students is 45. Find the mean marks of remaining students.
80
90
85
75
The Average of 6 consecutive numbers is 3.5. Find the smallest number.
4
3
2
1
The average of 6 family members, 3 years ago was 20 years. In spite of a child birth in the family during the 3 years, the present average age remains the same. What is the present age of the child?
1
2
1.5
2.5
