Neco Mathematics 2002 Past Questions and Answers

Question 21:

• NECO 2002

The angle of elevation of the top (T) of a palm tree from a point (R) on the ground is 30°. The distance from R to the base (B) of the palm tree is 120m. What is the distance between T and R?

A. 60m
B. 60\(\sqrt{3}\)m
C. 80\(\sqrt{3}\)m
D. 120\(\sqrt{3}\)m
E. 240m

Question 22:

• NECO 2002

If \(\frac{t}{1}\) = \(\sqrt{(\frac{4\pi^2}{g}})\), what is the value of g when I = 4.5; t = 5 secs

A. 3.20 ms²
B. 11.31 ms²
C. 32.00 ms²
D. 56.57 ms²
E. 160.00 ms²

Question 23:

• NECO 2002

The probability that a student will pass a mathematics test is ⅗. If 3 students are chosen at random, what is the probability that at least 2 of them will pass the test?

A. \(\frac{27}{125}\)
B. \(\frac{9}{25}\)
C. \(\frac{72}{125}\)
D. \(\frac{76}{125}\)
E. \(\frac{81}{125}\)

Question 24:

• NECO 2002

What is the total surface area of a cylinder with radius 2cm and height 1.5cm, correct to 2 significant figures?

A. 440cm\(^2\)
B. 220cm\(^2\)
C. 88cm\(^2\)
D. 44cm\(^2\)
E. 22cm\(^2\)

Question 25:

• NECO 2002

A wire was shaped to form a square of area 81cm². An equilateral triangle was formed by the same wire,What is the length of a side of the triangle formed?

A. 3cm
B. 6cm
C. 9cm
D. 12cm
E. 27cm