NUMBER AND NUMERATION - Jamb Mathematics Past Questions and Answers

Question 56:

• JAMB 2017

Find the principal which amounts to ₦ 5,500 at a simple interest in 5 years at 2% per annum

A. N 4,900
B. N 5,000
C. N 4,700
D. N 4,000

Question 57:

• JAMB 2017

A car dealer bought a second-hand car for of 250,000 and spent N 70,000 refurbishing it. He then sold the car for N400,000. What is the percentage gain?

A. 60%
B. 32%
C. 25%
D. 20%

Question 58:

• JAMB 2017

Find the sum to infinity of the series
\(\frac{1}{4}\), \(\frac{1}{8}\), \(\frac{1}{16}\),..........

A. \(\frac{1}{2}\)
B. \(\frac{3}{5}\)
C. \(\frac{-1}{5}\)
D. \(\frac{73}{12}\)

Question 59:

• JAMB 2017

The base in which the operation was performed was

A. 6
B. 2
C. 4
D. 5

Question 60:

• JAMB 2017

Given T = {even numbers from 1 to 12}

N = {common factors of 6, 8 and 12} Find T n N

A. {2, 3}
B. {2, 3, 4}
C. {3, 4, 6}
D. {2}