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CDS 2 Elementary Mathematics Question Paper (September 08, 2019); Download PDF

CDS 2 2019 is scheduled for September, 08 2019, and will be conducted in Elementary Mathematics, with 120 questions. It is a national-level exam conducted by UPSC to recruit candidates for the Indian Army, Navy, and Air Force. The selection process includes a written exam, followed by the SSB (Service Selection Board) Interview and medical examination. Final selection is based on merit and candidates' performance in all stages.

Free
CDS II 2019 Elementary Mathematics Previous Year Paper (08-Sep-2019)
120 Minutes
100 Questions
100 Marks
English, Hindi
Showing 1 - 5 of 100 questions
Page 1 of 20

Q1.

Directions: Read the following frequency distribution for two series of observations and answer the two items that follow:

Class interval

Frequency

Series-I

Series-II

10-20

20-30

30-40

40-50

50-60

20

15

10

X

Y

4

8

4

2X

Y

Total

100

100

What is the mean of frequency distribution of Series-I?

Q2.

Directions: Read the following frequency distribution for two series of observations and answer the two items that follow:

Class interval

Frequency

Series-I

Series-II

10-20

20-30

30-40

40-50

50-60

20

15

10

X

Y

4

8

4

2X

Y

Total

100

100

What is the mode of the frequency distribution of Series-II?

Q3.

Direction: Read the following information and answer the four items that follow:

Let the distribution of the number of scooters of companies X and Y sold by 5 showrooms (A, B, C, D and E) in a certain year be denoted S1 and the distribution of the number of scooters of only company X sold by the five showrooms in the same year be denoted by S2.

Showroom

A

B

C

D

E

Total number of

scooters sold

S1 (in%)

19

21

15

33

12

6400

S2 (in%)

24

18

20

30

8

3000

The number of scooters of company Y sold by showroom E is what percent of the number of scooters of both companies sold by showroom C?

Q4.

Direction: Read the following information and answer the four items that follow:

Let the distribution of the number of scooters of companies X and Y sold by 5 showrooms (A, B, C, D and E) in a certain year be denoted S1 and the distribution of the number of scooters of only company X sold by the five showrooms in the same year be denoted by S2.

Showroom

A

B

C

D

E

Total number of

scooters sold

S1 (in%)

19

21

15

33

12

6400

S2 (in%)

24

18

20

30

8

3000

The number of scooters of both the companies sold by showroom B is what per cent more than the number of scooters of company X sold by showroom A?

Q5.

Direction: Read the following information and answer the four items that follow:

Let the distribution of the number of scooters of companies X and Y sold by 5 showrooms (A, B, C, D and E) in a certain year be denoted S1 and the distribution of the number of scooters of only company X sold by the five showrooms in the same year be denoted by S2.

Showroom

A

B

C

D

E

Total number of

scooters sold

S1 (in%)

19

21

15

33

12

6400

S2 (in%)

24

18

20

30

8

3000

What is the average number of scooters of company Y sold by the showrooms A, C and E?

⋯
Page 1 of 20
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