Bar chart - Jamb Mathematics Past Questions and Answers

Question 6:

• JAMB 1979

The following table relates the number of objects f corresponding to a certain size x. What is the average size of an object?
\(\begin{array}{c|c} f & 1 & 2 & 3 & 4 & 5 \\ \hline x & 1 & 2 & 4 & 8 & 16\end{array}\)

A. \(\frac{31}{15}\)
B. \(\frac{31}{5}\)
C. \(\frac{129}{5}\)
D. \(\frac{43}{5}\)
E. \(\frac{16}{5}\)

Question 7:

• JAMB 1983

The farm yield of four crops on a piece of land in Ondo are represented on the pie chart. what is the angle of the sector occupies by Okro in the chart?

A. 11^o
B. 19\(\frac{1}{3}\)^o
C. 33\(\frac{1}{3}\)^o
D. 91\(\frac{1}{3}\)^o
E. 91^o

Question 8:

• JAMB 2001

The bar chart above shows different colours of passing a particular point of a certain street in two minutes. What fraction of the total number of cars is yellow?

A. ³/₂₅
B. ²/₂₅
C. ¹/₅
D. ⁴/₁₅

Question 9:

• JAMB 2001

The bar chart shows different colours of cars passing a particular point of a certain street in two minutes. What fraction of the cars is yellow

A. \(\frac{1}{5}\)
B. \(\frac{2}{25}\)
C. \(\frac{4}{15}\)
D. \(\frac{3}{25}\)

Question 10:

• JAMB 2006

The response of 160 pupils in a school asked to indicate their favourite subjects is given in the bar chart above. What percentage of the pupils have English and Health education as the their favourite subjects?

A. 55%
B. 52%
C. 36%
D. 22%