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# Mathematics NECO exam past questions and answers

## Mathematics NECO exam past questions and answers

Here they are;

What is the value of π (pi)?

a) 3.14
b) 2.71
c) 1.62
d) 4.20
Answer: a) 3.14
Which of the following is a prime number?

a) 6
b) 15
c) 11
d) 8
Answer: c) 11
Solve for x: 2x + 5 = 15

a) 5
b) 10
c) 7.5
d) 6
Answer: b) 10
What is the square root of 144?

a) 10
b) 12
c) 15
d) 8
Answer: b) 12
If a triangle has angles of 30°, 60°, and 90°, what type of triangle is it?

a) Equilateral
b) Isosceles
c) Scalene
d) Right-angled
Answer: d) Right-angled
What is the value of 5! (5 factorial)?

a) 20
b) 120
c) 60
d) 24
Answer: b) 120
If a rectangle has a length of 8 units and a width of 5 units, what is its perimeter?

a) 13
b) 16
c) 26
d) 36
Answer: c) 26
Express 20% as a decimal.

a) 0.2
b) 0.02
c) 0.2
d) 2
Answer: a) 0.2
What is the area of a circle with radius 6 units? (Use π = 3.14)

a) 18.84 square units
b) 36 square units
c) 113.04 square units
d) 12.56 square units
Answer: c) 113.04 square units
If a = 3 and b = 4, what is the value of a^2 + b^2a
2
+b
2
?

a) 5
b) 7
c) 9
d) 25
Answer: d) 25
What is the sum of the interior angles of a hexagon?

a) 120°
b) 180°
c) 360°
d) 720°
Answer: c) 360°
If a box contains 24 chocolates and you take 3 out, what percentage have you taken?

a) 12.5%
b) 15%
c) 20%
d) 10%
Answer: c) 20%
Simplify: 2/5 \times 5/82/5×5/8

a) 1/4
b) 1/2
c) 5/8
d) 4/5
Answer: a) 1/4
If a car travels at a speed of 60 km/h, how far will it travel in 4 hours?

a) 120 km
b) 160 km
c) 240 km
d) 180 km
Answer: c) 240 km
What is the median of the set: 2, 4, 6, 8, 10?

a) 6
b) 7
c) 8
d) 10
Answer: c) 8
If the sum of two numbers is 15, and one number is 8, what is the other number?

a) 5
b) 7
c) 15
d) 23
Answer: a) 5
What is the perimeter of a square with a side length of 9 units?

a) 27 units
b) 36 units
c) 45 units
d) 81 units
Answer: b) 36 units
If a clock shows 3:45, what is the angle between the hour and minute hands?

a) 45°
b) 90°
c) 135°
d) 180°
Answer: c) 135°
What is the value of 3^43
4
(3 raised to the power of 4)?

a) 12
b) 27
c) 81
d) 64
Answer: c) 81
If a rectangle has a length of 12 units and a diagonal of 15 units, what is its width?

a) 9 units
b) 12 units
c) 3 units
d) 6 units
Answer: a) 9 units