Neco Mathematics Past Questions and Answers

Question 96:

• NECO 2004

A car travels at an average speed of 75km/h. Find its speed in metres per second.

A. 270m/s
B. 208m/s
C. 27.0m/s
D. 20.8m/s
E. 2.08m/s

Question 97:

• NECO 2004

What must be added to b²-3ab to make it a perfect square?

A. -3a
B. -\(\frac{3}{2}\)
C. \(\frac{9}{4}\)
D. \(\frac{9a}{4}\)
E. \(\frac{9^2}{4}\)

Question 98:

• NECO 2004

A sales boy gave a change of N75.00 to a buyer instead of N80.00, calculate his percentage error, correct to one decimal place?

A. 6.00%
B. 6.20%
C. 6.30%
D. 6.60%
E. 6.70%

Question 99:

• NECO 2004

Evaluate (Log₁₃ - log₅) ÷ X(log₅-log₁₃) without using tables

A. X
B. –x
C. X-1
D. –X^-1
E. -1

Question 100:

• NECO 2004

The roots of a quadratic equation in x, are -m and 2n. Fine equation.

A. X² - x(2n-m) – 2mn = 0
B. X² + x(2n - m) - 2mn = 0
C. X² + x(m - 2n) + 2mn = 0
D. X² + x (m + 2n ) + 2mn = 0
E. X² - x (m - 2n) - 2mn = 0