Jamb Mathematics Past Questions and Answers

Question 361:

• JAMB 2015

Find the area of the curved surface of a cone whose base radius is 3cm and whose height is 4cm (π = 3.14)

A. 17.1cm²
B. 27.2cm²
C. 47.1cm²
D. 37.3cm²

Question 362:

• JAMB 2015

Simplify \( \frac{1}{(x + 1)} + \frac{1}{(x − 1)} \)

A. 2x/(x + 1)(x−3)
B. 2/(x + 1)(x−1)
C. 2x/(x + 1)2
D. 2x(x+1)2

Question 363:

• 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 364:

• 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 365:

• JAMB 2015

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

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