Mathematics Past Questions and Answers

The radii of two similar cylindrical jugs are in the ratio 3:7. Calculate the ratio of their volumes

A 1 : 04
B 3 : 07
C 9 : 49
D 0.086111111
E 27 : 343

Question 4732:

A man travels at a rate of 25m/sec. If he travels for 10½hrs, how many kilometres has he covered?

A 262.5
B 945
C 970
D 995
E 1822.9

Question 4733:

The ages of Abu, Segun, Kofi and Funmi are 17 years, (2x -13) years, 14 years and 16 years respectively. What is the value of x if their mean ages is 17.5 years?

A 18
B 23
C 25
D 36
E 70

Question 4734:

2 bags of sugar at N_x per bag are mixed with 3 bags of sugar at N_y per bag. What is the cost in N of the mixture per bag?

A \(\frac{(2x + 3y)}{5}\)
B \(\frac{(x + y)}{2}\)
C \(\frac{x}{2} +\frac{y}{3}\)
D \(\frac{(x + y)}{5}\)
E \(\frac{(3x + 2y)}{5}\)

Question 4735:

2 bags of sugar at N_x per bag are mixed with 3 bags of sugar at N_y per bag. What is the cost in N of the mixture per bag?

A \(\frac{(2x + 3y)}{5}\)
B \(\frac{(x + y)}{2}\)
C \(\frac{x}{2} +\frac{y}{3}\)
D \(\frac{(x + y)}{5}\)
E \(\frac{(3x + 2y)}{5}\)