#### CDS Exam ELEMENTARY MATHEMATICS Study Material

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If the Nagpur plant produced 8,00,000 tyres, then the number of horns produced by it was

b) 18500

c) 75000

d) 60000

How many percent more tubes were produced at the Pune plant than those produced at the Nagpur plant ?

b) 12

c) 8

d) 3

Theratio of number of horns produced at Nagpur plant to that produced at Pune plant is

b) 10 : 3

c) 7 : 3

d) 7 : 10

If the percentage of spider is x% of the percentage of cockroach , then x is equal to

b) 75.29%

c) 78.57%

d) 75.57%

Cockroach = 28 %

Now , x% = 22x100 / 28 = 78 4/7 %

Thetotal percentage of spider , rat and cockroach is greater than the percentage of ant by

b) 0.32

c) 0.28

d) 0.24

Percentage of spider , rat and cockroach = ( 22 + 11 + 28 ) = 61 %

61 - 27 = 34 %

If the percentage of rat is y % of the total percentage of ant and cockroach , then y is equal to

b) 0.35

c) 0.25

d) 0.2

Percentage of Ant and Cockroach = 27 + 28 = 55 %

then , y = 11/55 x 100 = 20 %

Thetotal percentage of common lizard , spider and cockroach is greater than percentage of rat by

b) 0.47

c) 0.35

d) 0.25

Percentage of rat = 11 %

Difference = 58 - 11 = 47 %

If the difference of the percentage of rat and miscellaneous by z % of the percentage of cockroach , then z is equal to

b) 0.35

c) 0.2

d) 0.15

Percentage of cockroach = 28 %

z % = 7x100/28 = 25 %

Thenumber of students who passed in first division is

b) 54

c) 64

d) 74

=54°/360°x360=54

Thenumber of students who passed in second division is more than those in first division by

b) 112

c) 109

d) 108

in 2nd division = 162o / 360o x 360 = 162

Number of students who passed in 1st division = 54

Differtence = 162 - 54 = 108