Jamb Mathematics 2015 Past Questions and Answers

Question 116:

• JAMB 2015

The area of a circle of radius 4cm is equal to (Take π = 3.142 )

A. 10.3cm²
B. 15.7cm²
C. 50.3cm²
D. 17.4cm²

Question 117:

• JAMB 2015

The area of an ellipse is 132cm².The length of its major axis is 14cm.Find the length of it minor axis

A. 10.5cm
B. 5cm
C. 10cm
D. 12cm

Question 118:

• JAMB 2015

The volume of a cone (s) of height 6cm and base radius 5cm is

A. 157cm³
B. 155cm³
C. 175cm³
D. 145cm³

Question 119:

• JAMB 2015

The probability of an outcome A is 1/6 . The probability of the B outcome is 1/4 . If the probability of A or B or both is 1/12 . What is the probability of both outcomes A and B?

A. 1/2
B. 1/3
C. 2/5
D. 3/4

Question 120:

• JAMB 2015

Given that Z = {1,2,4,5} what is the power of set Z?

A. 16
B. 8
C. 10
D. 12