Jamb Mathematics 2023 Past Questions and Answers

Question 71:

• JAMB 2023

The angle of elevation and depression of the top and bottom of another building, measured from the top of a 24 m tall building, is 30° and 60°, respectively. Determine the second building's height.

A. 24 m
B. 32\(\sqrt3\) m
C. 24\(\sqrt3\)
D. 32 m

Question 72:

• JAMB 2023

Calculate, correct to three significant figures, the length AB in the diagram above.

A. 36.4 cm
B. 36.1 cm
C. 36.2 cm
D. 36.3 cm

Question 73:

• JAMB 2023

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 74:

• JAMB 2023

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 75:

• JAMB 2023

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\(^2\)