Mathematics 1986 Jamb Past Questions and Answers

Question 36 :

• JAMB 1986

If U and V are two distinct fixed points and W is a variable points such that UWV is a right angle, what is the locus of W?

A. The perpendicular bisector of UV
B. A circle with UV as radius
C. A line parallel to the line UV
D. A circle with the line UV as the diameter

Question 37 :

• JAMB 1986

An open rectangular box externally measures 4m x 3m x 4m. Find the total cost of painting the box externally if it costs N2.00 to paint one square meter

A. N96.00
B. N112.00
C. N136.00
D. N160.00

Question 38 :

• JAMB 1986

Of the nine hundred students admitted in a university in 1979, the following was the distribution by state: Anambrs 185, Imo 135, Kaduna 90, Kwara 110, Ondo 155, Oyo 225. In a pie chart drawn to represent this distribution, The angle subtended at the centre by anambra is

A. 50^o
B. 65^o
C. 74^o
D. 88^o

Question 39 :

• JAMB 1986

Find the median of the numbers 89, 141, 130, 161, 120, 131, 131, 100, 108 and 119

A. 131
B. 125
C. 123
D. 120

Question 40 :

• JAMB 1986

Find the probability that a number selected at random from 40 to 50 is a prime

A. \(\frac{3}{11}\)
B. \(\frac{5}{11}\)
C. \(\frac{3}{11}\)
D. \(\frac{4}{11}\)