Q-1. The average of first 10 multiples of 11 is _______.
- 60.5
- 55.5
- 55
- 60
Q-2. David
obtained 76, 65, 82, 67 and 85 marks (out of 100) in English,
Mathematics, Physics, Chemistry and Biology. What is the average of
the marks obtained?
- 65
- 69
- 72
- 75
Q-3. If the
average marks of three batches consisting of 80, 70 and 65 students are 70, 65
and 75 respectively, then what will be the average marks (rounded off to the
nearest integer) of all the students?
- 70
- 72
- 68
- 74
Q-4. Ram's
average mark in 5 subjects is 80. how much he must score in his next subject to
get average marks of 82.
1.
92
2.
96
3.
86
4.
90
Q-5. If the
average price of four fans is Rs. 2223 and Their prices are in the ratio of 1:
3: 4: 5, Then the lowest price of the fan is
1.
Rs. 1368
2.
Rs. 2052
3.
Rs. 684
4.
Rs. 868
Q-6. The
batting average of Virat in 2022 after the 23rd match is 26. He
made a half-century in his 24th match and a century in his 25th match. What is
his new batting average?
1.
28.92
2.
29.92
3.
32
4.
30.92
Q-7. If
Ram's age is 1/3 times Rohan's age and Ravi's age is 5/2 times Ram's age.
The average age of Ram, Ravi, and Rohan are 52 years. Then the difference
between Ram's age and Rohan's age is
1.
52 years
2.
48 years
3.
45 years
4.
21 years
Q-8. If
Vikrant's salary is 1/4 time of Virat's salary and Vikram's salary is
twice that of Virat's salary. The average salary of all three is Rs. 26000.
Find the difference between Vikram's salary and Virat's salary.
1.
Rs. 20000
2.
Rs. 24000
3.
Rs. 28000
4.
Rs. 25000
Q-9. In a
class of 45 students, 40% are girls and the remaining are boys. The average
marks of the girls are 64 and that of the boys is 60. What is the average marks
of the whole class?
- 61.8
- 62.4
- 61.6
- 62.9
Q-10. Calculate
the average of the squares of natural numbers from 1 to 31?
1.
336
2.
334
3.
330
4.
331
VIDEO SOLUTION : LINK