Quant test 20

If f(x)=√(x+4), then f(5)=?

2 Mark(s)

2
3
√9=3
√5

If f(x)=x² and g(x)=x+1, then (f∘g)(4)=?

2 Mark(s)

16
25
36
49

If f(x)=2x+1, then f⁻¹(0)=?

2 Mark(s)

-1/2
-1
1
None

The radius of a circle is doubled. Area becomes:

2 Mark(s)

2 times
3 times
4 times
8 times

Area of circle with diameter 14 cm:

2 Mark(s)

154 cm²
77 cm²
144 cm²
120 cm²

Circumference of a circle with radius 7 cm is:

2 Mark(s)

22 cm
44 cm
154 cm
None

The sum of interior angles of a pentagon is:

2 Mark(s)

360°
540°
720°
900°

If f(x)=2x and g(x)=x², then (f∘g)(4)=?

2 Mark(s)

16
32
64
None

In a parallelogram, opposite angles are:

2 Mark(s)

Equal
Supplementary
Both
None

In a right triangle, one angle is 30°. The ratio of sides opposite 30° and 60° is:

2 Mark(s)

1:√3
√3:1
1:2
None

The diagonal of a square is 10 cm. Side=?

2 Mark(s)

5
7
√50
None

If f(x)=|x|, then f(-10)=?

2 Mark(s)

14
15
16
17

Each interior angle of a regular hexagon is:

2 Mark(s)

100°
110°
120°
140°

If f(x)=x²+2 and g(x)=√x, then (f∘g)(9)=?

2 Mark(s)

9
10
11
12

The exterior angle of a regular polygon is 30°. The number of sides is:

2 Mark(s)

6
8
10
12

Perimeter of a square with area 64 cm²:

2 Mark(s)

16
24
32
36

If f(x)=x²+3 and g(x)=x-1, then (g∘f)(2)=?

2 Mark(s)

6
7
8
9

The diagonals of a rhombus are 12 cm and 16 cm. Area=?

2 Mark(s)

72 cm²
96 cm²
108 cm²
120 cm²

The area of an equilateral triangle with side 6 cm is:

2 Mark(s)

6√3
9√3
12√3
18√3

The length of the diagonal of a rectangle with sides 9 and 12 is:

2 Mark(s)

15
13
10
None

In an equilateral triangle, each angle is:

2 Mark(s)

45°
60°
90°
120°

In a right triangle, sides are 3, 4, 5. Area=?

2 Mark(s)

6
10
12
15

If f(x)=x+2, g(x)=x², then (f∘g)(3)=?

2 Mark(s)

7
9
11
15

The height of an equilateral triangle of side a is:

2 Mark(s)

a/2
√3/2 a
√2/2 a
a

If f(x)=2x-3, then find f⁻¹(7).

2 Mark(s)

3
4
5
None

Quant test 20 : Question 1 of 25