Mathematics Neco Past Questions and Answers

Question 1 :

• NECO 2001

Find the value of x in the equation: 9x = 729

A. 81
B. 27
C. 18
D. 9
E. 3

Question 2 :

• NECO 2001

In an acute angle-triangle XYZ, XZ = 9cm, YZ = 11cm and ∠XZY = 35° Calculate ∠YXZ, correct to the nearest degree.

A. 57°
B. 45°
C. 33°
D. 16°
E. 89°

Question 3 :

• NECO 2001

The surface area of a sphere is 616m2. what is the volume of-the sphere (correct to two significant figures)? (take π = 3.142)

A. 14 cm\(^3\)
B. 210 cm\(^3\)
C. 1,400 cm\(^3\)
D. 2,100 cm\(^3\)
E. 4,300 cm\(^3\)

Question 4 :

• NECO 2001

51 women wore coloured shoes to a party, out of which 21 wore purple and 9 wore white. if a woman is selected at Random. What is the probability that she is wearing neither a purple shoe nor a white shoe?

A. \(\frac{10}{17}\)
B. \(\frac{7}{17}\)
C. \(\frac{20}{51}\)
D. \(\frac{3}{17}\)
E. \(\frac{1}{51}\)

Question 5 :

• NECO 2001

The radius of a sphere is 21cm. If s and v represent the curved surface area and volume respectively, what is s : v? (take π = 3.142)

A. 1:03
B. 1:07
C. 3:01
D. 3:07
E. 7:01