Junior High School · BECE style
1If A = {1, 2, 3, 4} and B = {3, 4, 5}, find A ∩ B.
2A square has a perimeter of 36 cm. Its area is
3Round 598,568 to the nearest 100.
4The magnitude of the vector (−5, −12) is ___.
5VAT is an example of
6Find the circumference of a circle of radius 7 cm. (Take π = 22/7.)
7The ratio of mangoes to oranges in a basket is 5 : 3. If there are 40 mangoes, the number of oranges is ___.
8Find the compound interest on GH₵ 2,000 at 10% per annum for 2 years.
9Height is an example of discrete data.
10A mapping sends 2 → 15, 3 → 21, 4 → 27. Find the rule.
11A bag contains 9 red, 8 blue and 3 green balls. A ball is picked at random. Find the probability that it is not blue.
12Speed is calculated as
13Rotating (2, 1) through 180° about the origin gives
14Given f(x) = 6x + 5, find f(5).
15A set with no elements is called
16Expand (x + 5)(x + 7).
17The marks 4, 7, 7, 8, 9 have a mean of
18Evaluate 2/3 + 3/4.
19101₂ = 5 in base ten.
20A bag contains 2 red, 6 blue and 6 green balls. A ball is picked at random. Find the probability that it is red.
Demo questions written by Otisam in the style of the BECE. They are not WAEC past questions.
