CDS I 2022 Elementary Mathematics Previous Year Paper (10-April-2022)

Question 1

What is the ratio of interior angle to exterior angle of a regular polygon of n sides?

Accepted Answer

$\frac{{{\rm{n}}\,{\rm{ - }}\,2}}{2}$

Answer

n

Answer

$\frac{{{\rm{n}}\,{\rm{ - }}\,1}}{2}$

Answer

$\frac{{{\rm{2}}\left( {{\rm{n}}\,{\rm{ - }}\,2} \right)}}{3}$

Question 2

41 43 + 43 43  is divisible by

Accepted Answer

84

Answer

80

Answer

86

Answer

88

Question 3

If $x\, = \,7\, + \,4\sqrt 3 $ , then what is the value of  $\sqrt x \, + \,\frac{1}{{\sqrt x }}$ ?

Accepted Answer

4

Answer

1

Answer

2

Answer

3

Question 4

4 61 + 4 62  + 4 63  + 4 64  is divisible by

Accepted Answer

17

Answer

7

Answer

9

Answer

11

Question 5

Suppose p and q are the LCM and HCF respectively of two positive numbers. If p : q = 14 : 1 and pq = 1134, then what is the difference between the two numbers?

Accepted Answer

45

Answer

27

Answer

35

Answer

cannot be determined due to insufficient data

CDS I 2022 Elementary Mathematics Previous Year Paper (10-April-2022)

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