Small Quiz

3

QUESTION 1

 The medians CD and BE of the triangle ABC intersect in point O, then the ratio of the area (?ODE): area (?ABC) will be equal to?

3 : 4
 

1 : 12
 

12 : 1
 

 4 : 3

QUESTION 2

If the sum of the interior angles of a regular polygon is 14 right angle, then the no. of sides of the polygon is?

 6
 

 9
 

8
 

 7

QUESTION 3

QUESTION 4

 If ABCD be a cyclic quadrilateral in which ∠A = 50°, ∠B = 80°, then the values of angle ∠C and ∠D are?

 100°, 130°
 

 130°, 100°
 

 115°, 115°
 

110°, 120°

QUESTION 5

If cos 20° = m and cos 70° = n, find the value of m² + n²?

 1/2
 

 1/√2
 

1
 

 3/2

QUESTION 6

 Find each angle of regular polygon consisting of 8 sides?

(a) 45°
(b) 100°
(c) 135°
(d) 120°

(a) 45°
(b) 100°
(c) 135°
(d) 120°

(a) 45°
(b) 100°
(c) 135°
(d) 120°

(a) 45°
(b) 100°
(c) 135°
(d) 120°

QUESTION 7

The capacity of a cuboidal tank is 50000 litres. Find the breadth of the tank if its length and depth are 2.5m & 10 m respectively?

 0.18 m
 

 2 m
 

 0.20 m
 

 0.15 m

QUESTION 8

If linear equation 2x + 3y = K has its solution as (2, 0) find the value of K ?

 6
 

 4
 

 5
 

 2

QUESTION 9

The value of cos1° cos 2° cos 3°…cos180° is ?

1
 

 √3/2
 

1/2
 

 0

QUESTION 10

If sin (90° – θ) + cosθ = √2 cos (90° – θ), find the value of cosecθ ?

√(3/2)
 

 2/3
 

 1/√2
 

 1/√3