Jamb Mathematics Past Questions and Answers

Question 696:

• JAMB 1982

The diameter of a metal rod is measured as 23.40 cm to four significant figures. What is the maximum error in the measurement?

A. 0.05cm
B. 0.5cm
C. 0.045cm
D. 0.005cm
E. 0.004cm

Question 697:

• JAMB 1982

In a regular polygon of n sides, each interior angle is 144o. Find n

A. 12
B. 11
C. 10
D. 8
E. 6F

Question 698:

• JAMB 1982

Simplify \(\frac{3}{2x - 1}\) + \(\frac{2 - x}{x - 2}\)

A. \(\frac{2 - x}{(2x - 1)(x - 2)}\)
B. \(\frac{5 - x}{(2x - 1)(x - 2)}\)
C. \(\frac{4 - 2x}{2x - 1}\)
D. \(\frac{6 - 3x}{(2x - 1)(x - 2)}\)

Question 699:

• JAMB 1982

The solution to the quadratic equation 5 + 3x - 2x² = 0 is

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

Question 700:

• JAMB 1982

A housewife bought 3 kilograms of garri at N13.00 per kg. She deposited N160. 00 for half a cow and bought 24 oranges at 10k each. She came back home with N20.60. She therefore left home with

A. N220.00
B. N222.00
C. N201.40
D. N202.00
E. N180.80