BIHAR CGL PRE - AVERAGE QUIZ - 1

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Question 1:

A batsman has an average run in 16 innings. He scored 80 runs in the 17th innings, increasing his average by 2. His average of runs after 17th innings is

Question 2:

Of the three numbers, the first is twice the second and thrice the third. The average of the numbers is 88. What is the difference between the first number and the third number?

Question 3:

The average of 6 numbers is 8 and the average of 8 numbers is 6. What will be the average of both together?

Question 4:

The average of $n,(n+1),(n+2),(n+3),(n+4),(n+5)$ is-

Question 5:

The average of ten numbers is 6, If each number is multiplied by 12 , then what will be average of the new set of numbers?

Question 6:

A person received 4 packets in January with an average weight of 300 g, and in February 8 packets with an average weight of 400 g were received. What will be the average weight (in grams) of all the packets received by the person in both the months?

Question 7:

The group of seven students took an exam. After the examination, another student joined the group. By including the marks of the new student, the average marks of the group increased to 2. How many more marks did this student get compared to the average marks of the initial seven students?

Question 8:

In a class of 50 students, the ratio of boys and girls is $2:3$. The average marks of boys is 60 and that of girls is 70. What is the average marks of the whole class?

Question 9:

Two football teams, Team A and Team B, played in the tournament and scored the following goals in 6 matches.

Matches

Team A Goals

Team B Goals

Match 1

2

3

Match 2

1

0

Match 3

0

1

Match 4

4

5

Match 5

3

2

Match 6

2

1


Question 10:

A family consists of two parents and three children. If the average age of the parents is 36 years and that of the children is 10 years. Find the average age (in years) of the family.

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