Introduction to Average

Q.

What is physics in simple words?

Q.

What is the benefit of using digital data? (1) It can help you make informed decisions and improve online performance (2) Digital data is always 100% accurate. (3) Digital data allows you to save money on offline analytics (4) Using digital data allows you to reach more customers automatically.

Q.

Write down the decimal expression of $\frac{16}{3125}$without actual division.

Q.

If the cost of 4 dozen bananas is rs 104. How many bananas can be purchased for rs 6.50

Q. There are 5 members in a family. The monthly income of every member is given below. Find out the average income of family members.
$\begin{array}{cc}\text{1st Member}& \text{₹ 30, 000}\\ \text{2nd Member}& \text{₹ 40, 000}\\ \text{3rd Member}& \text{₹ 50, 000}\\ \text{4th Member}& \text{₹ 60, 000}\\ \text{5th Member}& \text{₹ 70, 000}\end{array}$

1. 50000

Q. Bar graphs as shown below represent the number of runs scored by two batsmen in 5 matches. Difference between the averages is

1. 9.8
2. 8.8
3. 7.8
4. 10.8

Q.

What is Data Sources.

Q. Lionel Messi's total goal score in his career is 804. His average score per match is 1.2. Find the number of matches he played.

1. 670

Q.

The average age of 20 players of a football team is 24. The average of 8 of them is 21. What is the average age of the remaining 12 players?

Q. The weights of students in a class are 32 kg, 28 kg, 35 kg, 40 kg and 25 kg. Calculate the average weight of the students.

1. 32

Q.

The ratio of men to women in an office is $4:3$ If there are $15$women, find the number of men in the office?

Q.

Solve the following word problem.

A water tank supplies $25,03,854l$ of water to Anand Nagar Society every day. How many litres of water was used by the society in the month of February$2017$ $?$If the average consumption of each family was$1,50,000$ litres per month, calculate the approximate total number of families in Anand Nagar.

Q. The number obtained by dividing the sum of values in a set with the total number of values will give its ___.

Q.

The average weight of the 35 student of the A division of class 6 is 32 kilograms. The average weight of the 40 student of B division is 36 kilograms. What is the average weight of the two division altogether?

Q. Tina’s mom asked her to buy 1.25 kg of sugar from the grocery store. The price of sugar is listed as ₹46.5 per kg at the store. The amount paid by Tina is _____.

1. ₹581.25
2. ₹5812.5
3. ₹581.25
4. ₹58.125

Q.

What is the Arithmetic mean of the given data :
45, 48 , 53 , 55 , 58 , 63 , 68 and 66

1. 55

2. 57

3. 60

4. 59

Q.

It is estimated that there are 523 people on average in every square kilometer of land in a village. The area of the village is 15 square kilometers. Find the population of the village.

Q.

Express $\frac{23}{25}$ as a decimal.

Q. There are 5 players in a basketball team. The height of each player is given below.

$\begin{array}{cc}\text{1st player}& \text{200 cm}\\ \text{2nd player}& \text{180 cm}\\ \text{3rd player}& \text{185 cm}\\ \text{4th player}& \text{190 cm}\\ \text{5th player}& \text{195 cm}\end{array}$

Find the average height of the team.

1. 190

Q. Number 37 is subtracted from the number obtained by reversing its digits. The result thus obtained will be divisible by:

1. 3
2. 9
3. none of these
4. both A and B

Q. Another name for average is ___ .

Q.

The cube of the average of 3 and 7 will be equal to the average of the cubes of 3 and 7.

1. True

2. False

Q. What is the cost of 452 grams silver if one kg of silver costs ₹35600?

1. ₹16091.20
2. ₹16092.10
3. ₹16090.20
4. ₹16095.20

Q.

Convert the given from decimal to binary : $158$

Q.

Which will be the correct table for the following graph ?

1. 

2. 

3. 

4. 

Q. Runs scored by a batsman in an over are 0, 0, 2, 4, 0, 6. What would be his run rate in that over?

1. 2 runs per ball
2. 3 runs per ball
3. 2.5 runs per ball
4. 1.75 runs per ball

Q.

Write the fraction or mixed number as a decimal $\frac{1}{11}$.

Q. A piece of rod $\frac{7}{8}$ metre long is broke into two pieces. One piece was $\frac{1}{4}$ metre long. How long is the other piece?

Q. A woman earns ₹6300 in a week. What is her average income per day?

1. 900

Q. A bowler took $15$ wickets for $321$ runs, the his average score per wicket is __________.

1. $20$ runs
2. $22$ runs
3. $21$ runs
4. $21.4$ runs