The average marks of 23 students in an examination was 65. It was later found that the marks of one student had been wrongly entered as 48 instead of 94. The correct average is:

Pre Assessment Test

Quiz
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Other
•
University
•
Hard
harikrishnareddy pagadam
Used 17+ times
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40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
67
63
66
64
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A trader marks the products 25% above the cost price and allows a discount of 30%. If the cost price is Rs. 2600 then the selling price is:
2100
2210
2470
2275
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A simple interest of Rs. 4500 is earned by investing a sum of money for 18 years. The interest rate is 3% for the first 4 years, 6% for the next 6 years, and 7% beyond 10 years. Find the sum of money invested.
4326.9
5000
4400
4212.4
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The difference between compound interest and simple interest on a certain sum for 2 years at 10 % is Rs. 25. The sum is
1500
1250
2500
1200
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A bag contains 50 P, 25 P and 10 P coins in the ratio 8: 12: 5, amounting to Rs. 300. Find the number of coins of each type respectively.
320, 480, 200
160, 360, 200
200, 320, 480
200, 160, 300
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
P, Q and R started a business by investing Rs. 12000, Rs. 15000 and Rs. 18000 respectively. After 5 months, P invested Rs. 3000 more and after 3 more months, R withdraws Rs. 3000. Find the share of Q, if the total profit at the end of the year is Rs. 73200?
24900
24000
22500
30000
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A father is four times as old as his son. Fifteen years ago, the father was ten times the son's age. What is the present age of the father?
50 years
80 years
100 years
90 years
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