BECE Math 3

Question 1

A triangle has angles measuring 50° and 70°. What is the third angle?

Accepted Answer

60°

Answer

Angles in a triangle sum to 180°; 180 − 50 − 70 = 60°.

Question 2

What is the LCM of 4, 6, and 8?

Accepted Answer

24

Answer

The smallest number divisible by 4, 6, and 8 is 24.

Question 3

Express 0.045 as a fraction in its simplest form.

Accepted Answer

9/200

Answer

0.045 = 45/1000; simplify by dividing by 5 twice: 9/200.

Question 4

If y = 2x − 3, what is y when x = 5?

Accepted Answer

7

Answer

Substitute x = 5: y = 2(5) − 3 = 10 − 3 = 7.

Question 5

A bag contains 3 red, 4 blue, and 5 green balls. What is the probability of picking a blue ball?

Accepted Answer

1/3

Answer

Total = 12 balls; P(blue) = 4/12 = 1/3.

(BECE) Basic Education Certificate Examination Practice Test