Jamb Mathematics 2015 Past Questions and Answers

Question 126:

• JAMB 2015

How many sides has a regular polygon whose interior angles are 120°each

A. 4
B. 5
C. 6
D. 3

Question 127:

• JAMB 2015

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 128:

• JAMB 2015

Simplify 2.04 x 3.7 (Leave your answer in 2 decimal place)

A. 7.51
B. 7.71
C. 5.5
D. 7.55

Question 129:

• JAMB 2015

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 130:

• JAMB 2015

Rationalize 5 ÷ (2 − √3)

A. 3(2 + √5)
B. 2(3 + √5)
C. 5(2 + √3)
D. 3 √2 + 1