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Junior Waec mathematics exam questions and answers

Junior waec mathematics questions and answers

Junior WAEC mathematics questions, along with options and answers:

What is the value of 7² + 4²?
A) 45
B) 49
C) 50
D) 53

Simplify the expression: 3(2x - 4) - 2(3x + 1).
A) 2x - 14
B) 6x - 12
C) 6x - 14
D) 8x - 7

If the perimeter of a rectangle is 24 cm, and its length is 8 cm, what is the width?
A) 3 cm
B) 6 cm
C) 8 cm
D) 12 cm

Solve for x: 2x + 5 = 17.
A) 6
B) 7
C) 8
D) 9

If a triangle has angles of 60°, 70°, and 50°, what type of triangle is it?
A) Equilateral
B) Isosceles
C) Scalene
D) Right-angled

What is the area of a square with a side length of 5 cm?
A) 10 cm²
B) 20 cm²
C) 25 cm²
D) 30 cm²

Which of the following is a prime number?
A) 1
B) 7
C) 12
D) 15

If the product of two consecutive even numbers is 72, what are the two numbers?
A) 6 and 12
B) 8 and 10
C) 4 and 16
D) 10 and 14

What is the LCM (Least Common Multiple) of 6 and 8?
A) 6
B) 12
C) 24
D) 48

If a car travels at a speed of 60 km/h for 3 hours, how far does it travel?
A) 120 km
B) 180 km
C) 240 km
D) 360 km

What is the value of π (pi) to two decimal places?
A) 3.14
B) 3.141
C) 3.142
D) 3.1416

If 3x + 7 = 22, what is the value of x?
A) 5
B) 6
C) 7
D) 8

In a triangle, the sum of the angles is always equal to:
A) 90 degrees
B) 120 degrees
C) 180 degrees
D) 360 degrees

What is the square root of 81?
A) 7
B) 8
C) 9
D) 10

If the sum of two angles is 90 degrees, what type of angles are they?
A) Supplementary
B) Complementary
C) Vertical
D) Corresponding

What is the value of 4! (4 factorial)?
A) 4
B) 12
C) 24
D) 120

Find the missing angle in a right-angled triangle with angles of 30° and 60°.
A) 30°
B) 60°
C) 90°
D) 120°

If the ratio of boys to girls in a class is 3:4, and there are 21 girls, how many boys are there?
A) 9
B) 12
C) 15
D) 18

What is the next prime number after 29?
A) 30
B) 31
C) 32
D) 33