ALGEBRA - Jamb Mathematics Past Questions and Answers

Question 191:

• JAMB 1985

Solve the simultaneous equations 2x - 3y + 10 = 10x - 6y = 5

A. X = 2\(\frac{1}{2}\), y = 3\(\frac{1}{2}\)
B. X = \(\frac{1}{2}\), y = \(\frac{3}{2}\)
C. X = 2\(\frac{1}{4}\), y = 3\(\frac{1}{2}\)
D. X = 2\(\frac{1}{3}\), y = 3\(\frac{1}{2}\)
E. X = 2\(\frac{1}{3}\), y = 2\(\frac{1}{2}\)

Question 192:

• JAMB 1985

If f(x - 2) = 4x² + x + 7, find f(1)

A. 12
B. 27
C. 7
D. 46
E. 17

Question 193:

• JAMB 1985

If a{\(\frac{x + 1}{x - 2} - \frac{x - 1}{x + 2}\)} = 6x. Find a in its simplest form

A. X² - 1
B. X² + 1
C. X² + 4
D. X² - 4
E. 1

Question 194:

• JAMB 1986

The ages of Tosan and Isa differ by 6 and the product of their ages is 187. Write their ages in the form (x, y), where x > y.

A. (12, 6)
B. (23, 17)
C. (17, 11)
D. (18, 12)

Question 195:

• JAMB 1986

In 1984, Ike was 24 yrs old and his father was 45 yrs old. In what year was Ike exactly half his father's age?

A. 1981
B. 1979
C. 1982
D. 1978