Mathematics 1986 Jamb Past Questions and Answers

Question 1 :

• JAMB 1986

Evaluate (212)₃ - (121)₃ + (222)₃

A. (313)₃
B. (1000)₃
C. (1020)₃
D. (1222)₃

Question 2 :

• JAMB 1986

Evaluate (212)₃ - (121)₃ + (222)₃

A. (313)₃
B. (1000)₃
C. (1020)₃
D. (1222)₃

Question 3 :

• JAMB 1986

If Musa scored 75 in biology instead of 57, his average mark in four subjects would have been 60. What was his total mark?

A. 282
B. 240
C. 222
D. 210

Question 4 :

• JAMB 1986

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

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

Question 5 :

• JAMB 1986

Find the smallest number by which 252 can be multiplied to obtain a perfect square

A. 2
B. 3
C. 5
D. 7