Neco Mathematics 2008 Past Questions and Answers

Question 11:

• NECO 2008

The median of a distribution can be estimated from

A. Barchart
B. Cumulative frequency curve
C. Frequency polygon
D. Pictorial
E. Pie chart

Question 12:

• NECO 2008

If A = \(\frac{1}{2}\)h (a + b), make ‘a’ the subject of the formula

A. (2A – 2bh) ÷ b
B. (2A – bh) ÷ h
C. (2A – bh) ÷ b
D. (A – 2bh) ÷ h
E. (2A – h) ÷ bh

Question 13:

• NECO 2008

The graph of cumulative frequency distribution is known as

A. An ogive
B. A histogram
C. A frequency polygon
D. Relative frequency
E. None

Question 14:

• NECO 2008

T varies inversely as the square root of F when T = 7, F = 2\(\frac{1}{4}\). Find T when F = \(\frac{27}{9}\)

A. 1.5
B. 6.3
C. 6.3
D. 12.6
E. 21

Question 15:

• NECO 2008

Evaluate (2⁵ × 4^-2) ÷ (2^-3 × 2⁶)

A. 9
B. 8
C. 3
D. \(\frac{8}{9}\)
E. \(\frac{1}{4}\)