Jamb Mathematics 2015 Past Questions and Answers

Question 101:

• JAMB 2015

The probability of an event A is 1/5. The probability of B is 1/3 . The probability both A and B is 1/15. What is the probability of either event A or B or both

A. \( \frac{2}{15} \)
B. \( \frac{3}{4} \)
C. \( \frac{7}{15} \)
D. \( \frac{1}{15} \)

Question 102:

• JAMB 2015

Simplify 4 √[(390695T− 8)½)]

A. 1/T
B. 2T
C. 5/T
D. T/5

Question 103:

• JAMB 2015

If (159.75)₁₀ = (y)₆. Find x

A. X₆ = 123.34₆
B. X₆ = 424.5₆
C. X₆ = 122.43₆
D. X₆ = 124.45₆

Question 104:

• JAMB 2015

A man bought a car for N800 and sold it for N520. Find his loss per cent

A. 15%
B. 25%
C. 35%
D. 10%

Question 105:

• JAMB 2015

Simplify \(6\frac{1}{12} − 2 ¾ + 1 ½ \)

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