Neco Mathematics Past Questions and Answers

Question 71:

• NECO 2004

One of the interior angles of a regular polygon is 120°. Find the number of sides of the polygon

A. 3
B. 4
C. 6
D. 9
E. 12

Question 72:

• NECO 2004

If cos x = 4/5, 0° \( \leq \) x \( \leq \) 90°, find the value of (1 + tan x)/(1 - tan x)

A. 9
B. 7
C. 4
D. \(\frac{7}{16}\)
E. \(\frac{9}{25}\)

Question 73:

• NECO 2004

Evaluate ut - \(\frac{1}{2}\)ft² when t = 5, u = -20 and f = 10

A. 225
B. 72
C. -75
D. -125
E. -225

Question 74:

• NECO 2004

Express the quotient of 0.422 and 0.004 in standard form

A. 1.055 × 10²
B. 10.55 × 10¹
C. 105 × 10⁰
D. 10.55 × 10^-1
E. 1.055 × 10^-2

Question 75:

• NECO 2004

The 4th term of a G.P is 3 and its first term is 81. What is its common ratio?

A. 3
B. \(\frac{2}{3}\)
C. \(\frac{1}{3}\)
D. -\(\frac{1}{3}\)
E. -3