JAMB UTME 2016
JAMB Mathematics 2016 past questions
6 objective questions from the 2016 JAMB Mathematics paper. Answer each one, then reveal the answer and explanation.
Question 1
IndicesEvaluate $2^{6} \times 2^{3}$.
- Option A: 262144
- Option B: 512
- Option C: 256
- Option D: 18
Show the answerHide the answer to question 1
Answer: B, 512
Add the indices: $2^{6} \times 2^{3} = 2^{9} = 512$.
Question 2
Quadratic equationsSolve the equation $x^2 - 3x + 2 = 0$.
- Option A: x = -1 or x = -2
- Option B: x = 1 or x = 2
- Option C: x = -1 or x = 2
- Option D: x = 1 or x = -2
Show the answerHide the answer to question 2
Answer: B, x = 1 or x = 2
The equation factorises as $(x - 1)(x - 2) = 0$, so x = 1 or x = 2.
Question 3
StatisticsFind the mean of 29, 34, 36, 38, 28.
- Option A: 34
- Option B: 32
- Option C: 33
- Option D: 165
Show the answerHide the answer to question 3
Answer: C, 33
The sum is 165 and there are 5 numbers, so the mean is 165 ÷ 5 = 33.
Question 4
PercentagesA trader bought a radio for ₦2,500 and sold it for ₦3,000. Find the percentage profit.
- Option A: 20%
- Option B: 16.7%
- Option C: 25%
- Option D: 40%
Show the answerHide the answer to question 4
Answer: A, 20%
Profit = ₦500. Percentage profit = 500 ÷ 2,500 × 100 = 20%.
Question 5
Simple interestFind the simple interest on ₦12,500 for 5 years at 12% per annum.
- Option A: ₦20,000
- Option B: ₦1,500
- Option C: ₦15,000
- Option D: ₦7,500
Show the answerHide the answer to question 5
Answer: D, ₦7,500
I = PRT ÷ 100 = 12,500 × 12 × 5 ÷ 100 = ₦7,500.
Question 6
ProbabilityA bag contains 4 red, 7 blue, and 8 green balls. A ball is picked at random. What is the probability that it is blue?
- Option A: $\frac{7}{19}$
- Option B: $\frac{4}{19}$
- Option C: $\frac{8}{19}$
- Option D: $\frac{7}{12}$
Show the answerHide the answer to question 6
Answer: A, $\frac{7}{19}$
There are 7 blue balls out of 19, so the probability is $\frac{7}{19}$.
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