Jamb Mathematics Past Questions For Year 2015
Question 56
How many sides has a regular polygon whose interior angles are 120°each
- A. 4
- B. 5
- C. 6
- D. 3
Question 57
If duty is levied at 25%, find the duty to be added to a bill of N80.
- A. N100
- B. N20
- C. N80
- D. N150
Question 58
Simplify 2.04 × 3.7 (Leave your answer in 2 decimal place)
- A. 7.51
- B. 7.71
- C. 5.5
- D. 7.55
Question 59
A public car dealer marked up the cost of a car at 30% in an attempt to make 20% gross profit. Due to the value of dollar, he now placed 20% discount on the car. What profit or loss will he make?
- A. 3%
- B. 2%
- C. 4%
- D. 1%
Question 60
Rationalize 5 ÷ (2 − √3)
- A. 3(2 + √5)
- B. 2(3 + √5)
- C. 5(2 + √3)
- D. 3 √2 + 1
