Mathematics NABTEB exam past questions and answers

Mathematics NABTEB exam past questions and answers

Here are 20 mathematics exam questions with options and answers:

Question: What is the value of π (pi)?

a) 3.14

b) 2.71

c) 1.62

d) 4.20

Answer: a) 3.14

Question: Solve the equation 2x + 5 = 15.

a) 5

b) 6

c) 7

d) 8

Answer: c) 7

Question: If a triangle has angles 60°, 90°, and 30°, what type of triangle is it?

a) Equilateral

b) Isosceles

c) Scalene

d) Right-angled

Answer: d) Right-angled

Question: What is the area of a rectangle with length 8 cm and width 5 cm?

a) 13 cm²

b) 35 cm²

c) 40 cm²

d) 56 cm²

Answer: c) 40 cm²

Question: If a = 4 and b = 7, what is the value of 3a + 2b?

a) 22

b) 27

c) 32

d) 37

Answer: b) 27

Question: Evaluate: \frac{12}{3} + 5 

3

12

​ 

 +5.

a) 9

b) 11

c) 17

d) 20

Answer: a) 9

Question: Find the circumference of a circle with radius 6 cm.

a) 12π cm

b) 18π cm

c) 24π cm

d) 36π cm

Answer: c) 24π cm

Question: What is the square root of 81?

a) 7

b) 8

c) 9

d) 10

Answer: c) 9

Question: Solve for x: 2x - 7 = 112x−7=11.

a) 3

b) 6

c) 9

d) 18

Answer: b) 6

Question: If a box has dimensions 4 cm by 6 cm by 3 cm, what is its volume?

a) 72 cm³

b) 96 cm³

c) 144 cm³

d) 216 cm³

Answer: a) 72 cm³

Question: What is the value of 5! 5! (5 factorial)?

a) 120

b) 240

c) 480

d) 720

Answer: d) 720

Question: If the sum of two angles is 90° and one angle is 35°, what is the measure of the other angle?

a) 45°

b) 55°

c) 65°

d) 85°

Answer: a) 45°

Question: Express 0.75 as a fraction in lowest terms.

a) \frac{1}{2} 

2

1

​ 

 

b) \frac{3}{4} 

4

3

​ 

 

c) \frac{5}{8} 

8

5

​ 

 

d) \frac{7}{10} 

10

7

​ 

 

Answer: b) \frac{3}{4} 

4

3

​ 

 

Question: Solve the inequality: 2x + 3 > 92x+3>9.

a) x > 3x>3

b) x < 3x<3

c) x > 6x>6

d) x < 6x<6

Answer: a) x > 3x>3

Question: If a = 2, b = 3, and c = 4, what is the value of a^2 + b^2 = c^2a 

2

 +b 

2

 =c 

2

 ?

a) True

b) False

Answer: a) True

Question: Evaluate the expression 3(4 + 2) - 53(4+2)−5.

a) 9

b) 15

c) 21

d) 27

Answer: c) 21

Question: The perimeter of a square is 16 cm. What is the length of one side?

a) 2 cm

b) 3 cm

c) 4 cm

d) 5 cm

Answer: c) 4 cm

Question: Solve for x: \frac{2}{5}x = 8 

5

2

​ 

 x=8.

a) 10

b) 15

c) 20

d) 25

Answer: c) 20

Question: What is the sum of the first 10 positive integers?

a) 45

b) 55

c) 65

d) 75

Answer: b) 55

Question: If the ratio of boys to girls in a class is 3:2 and there are 15 boys, how many girls are there?

a) 8

b) 10

c) 12

d) 15

Answer: b) 10