Jamb Mathematics Past Questions and Answers

Question 681:

• JAMB 1982

A man bought wrist watch for N150 but was only able to sell it for N120. Find the loss per cent on the transaction

A. 25%
B. 11%
C. 20%
D. 80%
E. 30%

Question 682:

• JAMB 1982

Find the median of the set set of numbers 110, 116, 113, 119, 118, 127, 118, 117, 113

A. 117.5
B. 118
C. 117
D. 116
E. 113

Question 683:

• JAMB 1982

If f(x - 2) = 3x² + 4x + 1. Find the area of the sector

A. 8
B. 40
C. 7
D. 24
E. 32

Question 684:

• JAMB 1982

A sector of a circle is bounded by two radii 7cm long and an arc length 6cm. Find the area of the sector.

A. 42cm²
B. 3cm²
C. 21cm²
D. 24cm²
E. 12cm²

Question 685:

• JAMB 1982

Given that p:q = \(\frac{1}{3}\):\(\frac{1}{2}\) and q:r = \(\frac{2}{5}\), find p:r

A. 4:105
B. 7:15
C. 20:21
D. 2:35
E. 3:20