Jamb Mathematics 2023 Past Questions and Answers

Question 21:

• JAMB 2023

The area of a trapezium is 200 cm\(^2\). Its parallel sides are in the ratio 2 : 3 and the perpendicular distance between them is 16 cm. Find the length of each of the parallel sides.

A. 10 cm and 15 cm
B. 8 cm and 12 cm
C. 6 cm and 9 cm
D. 12 cm and 18 cm

Question 22:

• JAMB 2023

PQRS is a cyclic quadrilateral. Find \(x\) + \(y\)

A. 50
B. 60
C. 15

Question 23:

• JAMB 2023

A student pilot was required to fly to an airport and then return as part of his flight training. The average speed to the airport was 120 km/h, and the average speed returning was 150 km/h. If the total flight time was 3 hours, calculate the distance between the two airports.

A. 270 km
B. 200 km
C. 360 km
D. 450 km

Question 24:

• JAMB 2023

The perimeter of an isosceles right-angled triangle is 2 meters. Find the length of its longer side.

A. 2 - \(\sqrt2\)
B. -4 + 3\(\sqrt2\)
C. It cannot be determined
D. -2 + 2\(\sqrt2\) m

Question 25:

• JAMB 2023

A ship sets sail from port A (86\(^o\)N, 56\(^o\)W) for port B (86\(^o\)N, 64\(^o\)W), which is close by. Find the distance the ship covered from port A to port B, correct to the nearest km.

[Take \(\pi\) = 3.142 and R = 6370 km]

A. 62 km
B. 97 km
C. 389 km
D. 931 km