Neco Mathematics Past Questions and Answers

Question 111:

• NECO 2005

T varies directly as D and inversely as A. Given that T = 6, D = 3, and A = 2, find A when T = 3 and D = 6.

A. 4
B. 6
C. 8
D. 12
E. 24

Question 112:

• NECO 2005

A chord 20cm long subtends an angle of 60° at the circumference of a circle, what is the diameter of the circle the nearest cm?

A. 12cm
B. 20cm
C. 23cm
D. 60cm
E. 80cm

Question 113:

• NECO 2005

If 25a² = 5^-1 × 125. Find the value of a?

A. A = -1
B. A = 1
C. A = ±1
D. A = ±5
E. A = 25

Question 114:

• NECO 2005

The parallel sides of a trapezium are 13cm and 7cm. If the area of the trapezium is 50cm2, find the perpendicular distance between the parallel sides.

A. 5cm
B. 6cm
C. 7cm
D. 10cm
E. 12cm

Question 115:

• NECO 2005

Two fair dice are tossed together once. What is the probability of getting a total of at least 9 from the outcome?

A. \(\frac{1}{9}\)
B. \(\frac{1}{6}\)
C. \(\frac{5}{18}\)
D. \(\frac{1}{3}\)
E. \(\frac{13}{18}\)