Jamb Mathematics Past Questions and Answers

Question 256:

• 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 257:

• JAMB 2017

A cylindrical tank has a capacity of 3080m³. What is the depth of the tank if the diameter of its base is 14m? Take pi = 22/7.

A. 23m
B. 25m
C. 20m
D. 22m

Question 258:

• JAMB 2017

Divide 4x3 - 3x + 1 by 2x - 1

A. 2x² -x + 1
B. 2x² - x -1
C. 2x² + x + 1
D. 2x² + x -1

Question 259:

• JAMB 2017

In the diagram above MN is a chord of a circle KMN centre O and radius 10cm. If < MON = 140°, find, to the nearest cm, the length of the chord MN.

A. 10cm
B. 18cm
C. 17cm
D. 12cm

Question 260:

• JAMB 2017

If m * n = [m_n − n_m] for m, n belong to R, evaluate − 3 * 4

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