Mathematics 1982 Jamb Past Questions and Answers

Question 11 :

• JAMB 1982

Which of the following lines is not parallel to the line 3y + 2x + 7 = 0?

A. 3y + 2x - 7 = 0
B. 9y + 6x + 17 = 0
C. 24y + 16x + 19 = 0
D. 3y - 2x + 7 = 0
E. 15y + 10x - 13 = 0

Question 12 :

• JAMB 1982

What is the least possible value of \(\frac{9}{1 + 2x^2}\) if 0 \(\geq\) x \(\geq\) 2?

A. 9
B. 5
C. 1
D. 2

Question 13 :

• 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 14 :

• 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 15 :

• 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