UP SI MATHS QUIZ

Question 1:

The average weight of P and his three friends is 55 kg. If P is 4 kg more than the average weight of his three friends, what is P's weight (in kg)?

54

58

62

60

Question 2:

In the first 10 overs of a cricket game, the run rate was only 7.2 What should be the average run rate in the remaining 40 overs to reach the target of 272 runs?

4

5

6

7

Question 3:

The average of five numbers a, b, c, d and e is 150 . If the average of the first three numbers a, b and c is 130 , then the average of the last two numbers d and e is:

120

140

160

180

Question 4:

The average of 4 numbers is 60 and the first number is $\frac{1}{3}$ of the sum of the remaining three numbers. Find the first number.

$60$

$40$

$30$

$120$

Question 5:

The average age of 11 players and their coach is 33 years. The average age of the first 5 players is 29 years and the average age of the other 6 players is 30 years. What is the age (in years) of the coach?

71

75

68

64

Question 6:

In a class of 45 students, the average age of the class is 18 years. The average age of 35 students is 15 . What is the average age of the remaining 10 students?

28.5

25.2

21.7

23.25

Question 7:

If the average of the numbers $8,5,3, k,(k+1)$ is 7 , then what is the value of $k$ ?

7

8

9

6

Question 8:

The average of 4,6,8,12 and $x$ is 7 and the average of $x$, 9,13,15 and $y$ is 9 . What is the value of $2x-3y$?

5

3

19

1

Question 9:

The average age of 40 students of a class is 12 years. After adding teacher's age, the average age of all of them becomes 13 years. If the retirement age of the teacher is 55 years, then he will retire after

1 Years

2 Years

3 Years

5 Years

Question 10:

The average of seven consecutive positive integers is 259 . If the next five odd numbers are included, then what is the average of all the numbers (correct to two decimal places)?

$260.74$

$259.68$

$262.33$

$267.89$