Jamb Mathematics 2013 Past Questions and Answers

Question 36:

• JAMB 2013

The bar chart above shows the allotment of time(in minutes) per week for selected subjects in a certain school.

What is the total time allocated to the six subjects per week?

A. 460mins
B. 720mins
C. 960mins
D. 200mins

Question 37:

• JAMB 2013

The pie chart above shows the statistical distribution of 80 students in five subjects in an examination.

Calculate how many student offer Mathematics.

A. 30
B. 11
C. 50
D. 20

Question 38:

• JAMB 2013

If the angles of a quadrilateral are (3y + 10)°, (2y + 30)°, (y + 20)° and 4y°. Find the value of y.

A. 66°
B. 12°
C. 30°
D. 42°

Question 39:

• JAMB 2013

A square tile has side 30 cm. How many of these tiles will cover a rectangular floor of length 7.2m and width 4.2m?

A. 720
B. 336
C. 420
D. 576

Question 40:

• JAMB 2013

Find the length of a chord which subtends an angle of 90° at the centre of a circle whose radius is 8 cm.

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