Neco Mathematics Past Questions and Answers

Question 36:

• NECO 2002

Twice a number, x, is added to 5, the result is at least 11. What is the range of values of x?

A. X > 3
B. X ≥ 3
C. X ≤ 3
D. X < 3
E. X ≤ -3

Question 37:

• NECO 2002

Simplify [1 ÷ (x + 1)] - [2 ÷ (x - 1)] + [3 ÷ (x² - 1)]

A. - 3x ÷ (x² - 1)
B. - x ÷ (x² -1)
C. X ÷ (x² - 1)
D. (x + 1) ÷ (x² - 1)
E. (x + 4) ÷ (x² - 1)

Question 38:

• NECO 2002

The mean heights of 3 groups of students consisting of 20, 16 and 14 students are 1.67m, 1.50m and 1.40m Respectively. What is the mean height of all the students?

A. 1.52m
B. 1.53m
C. 1.54
D. 1.55m
E. 1.56m

Question 39:

• NECO 2002

The mean and the range of the set of numbers: 1.20, 1.00, 0.90, 1.40, 0.80, 0.80, 1.20 and 1.10 are p and respectively. What is the value of p ÷ q

A. 1.11
B. 65
C. 1.85
D. 2.45
E. 3.85

Question 40:

• NECO 2002

A girl on top of a storey building 36m high dropped a N10.00 note on the ground below. If the angle of depression of the N10.00 note is 35°, how far is the money from the girl?

A. 20.64m
B. 29.48m
C. 44.49m
D. 49.55m
E. 62.76m