Mathematics 2018 Jamb Past Questions and Answers

Question 36 :

• JAMB 2018

A room is 12m long, 9m wide and 8m high. Find the cosine of the angle which a diagonal of the room makes with the floor of the room

A. \(\frac{15}{17}\)
B. \(\frac{9}{17}\)
C. \(\frac{8}{15}\)
D. \(\frac{12}{17}\)

Question 37 :

• JAMB 2018

Divide the L.C.M of 48, 64 and 80 by their H.C.F

A. 20
B. 30
C. 48
D. 60

Question 38 :

• JAMB 2018

Find the equation of the line through (5,7) parallel to the line 7x + 5y = 12

A. 5x + 7y = 20
B. 7x + 5y = 70
C. Xy = 7
D. 15x + 17y = 90

Question 39 :

• JAMB 2018

A man's initial salary is N540.00 a month and increases after each period of six months by N36.00 a month. Find his salary in the eight month of the third year.

A. N828.00
B. N756.00
C. N720.00
D. N684.00

Question 40 :

• JAMB 2018

A boy walks 800m in 20 minutes. Calculate his average speed in Km/H

A. 2.4
B. 4
C. 24
D. 42