Jamb Mathematics 2012 Past Questions and Answers

Question 11:

• JAMB 2012

Make 'n' the subject of the formula if w = \(\frac{v(2 + cn)}{1 - cn}\)

A. \(\frac{1}{c}(\frac{w - 2v}{v + w})\)
B. \(\frac{1}{c}(\frac{w - 2v}{v - w})\)
C. \(\frac{1}{c}(\frac{w + 2v}{v - w})\)
D. \(\frac{1}{c}(\frac{w + 2v}{v + w})\)

Question 12:

• JAMB 2012

Find the remainder when 2x³ - 11x² + 8x - 1 is divided by x + 3

A. -871
B. -781
C. -187
D. -178

Question 13:

• JAMB 2012

Solve for x and y in the equations below
x² - y² = 4
x + y = 2

A. X = 0, y = -2
B. X = 0, y = 2
C. X = 2, y = 0
D. X = -2, y = 0

Question 14:

• JAMB 2012

If y varies directly as \(\sqrt{n}\) and y = 4 when n = 4, find y when n = 1\(\frac{7}{9}\)

A. \(\sqrt{17}\)
B. \(\frac{4}{3}\)
C. \(\frac{8}{3}\)
D. \(\frac{2}{3}\)

Question 15:

• JAMB 2012

U is inversely proportional to the cube of V and U = 81 when V = 2. Find U when V = 3

A. 24
B. 27
C. 32
D. 36