CDS || Elementary Mathematics || Statistics || Quiz for CDS & Defence Exams

Question 1

Direction: Consider the following given data for the next three questions that follow:

A batsman gets out in the given range of runs in his innings

Find the average runs of the batsman.

Question 2

Find the range in which that batsmen get out most?

Run	frequency
0-20	8
20-40	4
40-60	4
60-80	9
80-100	15

Question 3

Find the median of the given data.

Run	Frequency
0-20	8
20-40	4
40-60	4
60-80	9
80-100	15

Question 4

Which scale is used to measure the temperature in Fahrenheit for the data range of data

and

?

Question 5

Which of the following is not a secondary data?

Question 6

In diagrammatic representation of data which of the following is not included.

Question 7

Find the missing frequency in the following distribution .If the total frequency is

and median is

.

Question 8

Find the missing frequency for which the mean is

.

Question 9

The height of

male workers in a factory is 160cm and the mean height of

females in the factory is 155cm. Find the combined mean height of

workers.

Question 10

Calculate median from the following data

Question 11

Calculate the median of the following data

Question 12

The number of items each scores is called

Question 13

Find the mean deviation about mean for the data

Question 14

For a group of

observations the mean and standard deviation were 60 and 5 .It is found that a correct item

was wrongly copied as

. Find the correct standard deviation.

Question 15

Direction: The following pie chart shows the percentage distribution of the expenditure incurred in publishing a book. Study the pie chart and answer the question based on it.

Various expenditures (in percentage) incurred in publishing book

If for a certain quantity of books the publisher has to pay Rs as printing cost, then what would be the amount of royalty to be paid for these books ?

Question 16

Direction: The following pie chart show the data of car selling in India in 2018 according to the colors.

50% of all the cars consisted of which colors of car?

Question 17

Direction: The following pie chart show the data of car selling in India in 2018 according to the colors.

Cars of which colour are 20% less popular than white coloured cars?

Question 18

Direction: The following pie chart show the data of car selling in India in 2018 according to the colors.

Selling of which coloured car when increased by two percent and then combined with that of red cars will make 30 percent of the total?

Question 19

Direction: The following pie chart show the data of car selling in India in 2018 according to the colors.

If in a certain period the total production of all car was 83400 then how many more blue cars than green cars were sold?

Question 20

With the help of the graph given below find the mode of the data.

frequency
interval