Mathematics Past Questions and Answers

An article when sold for ₦230.00 makes a 15% profit. Find the profit or loss % if it was sold for ₦180.00

A 10% gain
B 10% loss
C 12% loss
D 12% gain

Question 2532:

Calculate, correct to three significant figures, the length of the arc AB in the diagram above.
[Take \(\pi = ^{22}/_7\)]

A 32.4 cm
B 30.6 cm
C 28.8 cm
D 30.5 cm

Question 2533:

A rectangular plot of land has sides with lengths of 38 m and 52 m corrected to the nearest m. Find the range of the possible values of the area of the rectangle

A 1931.25 m\(^2\) ≤ A < 2021.25 m\(^2\)
B 1950 m\(^2\) ≤ A < 2002 m\(^2\)
C 1957 m\(^2\) ≤ A < 1995 m\(^2\)
D 1931.25 m\(^2\) ≥ A > 2021.25 m\(^2\)

Question 2534:

A man sells different brands of an items. \(^1/_9\) of the items he has in his shop are from Brand A, \(^5/_8\) of the remainder are from Brand B and the rest are from Brand C. If the total number of Brand C items in the man's shop is 81, how many more Brand B items than Brand C does the shop has?

A 243
B 108
C 54
D 135

Question 2535:

Find the area, to the nearest cm\(^2\), of the triangle whose sides are in the ratio 2 : 3 : 4 and whose perimeter is 180 cm.

A 1162 cm\(^2\)
B 1163 cm\(^2\)
C 1160 cm\(^2\)
D 1161 cm\(^2\)