Jamb Mathematics 2023 Past Questions and Answers

Question 26:

• JAMB 2023

Use the graph of sin (θ) above to estimate the value of θ when sin (θ) = -0.6 for \(0^o ≤ θ ≤ 360^o\)

A. θ = 223\(^o\), 305\(^o\)
B. θ = 210\(^o\), 330\(^o\)
C. θ = 185\(^o\), 345\(^o\)
D. θ = 218\(^o\), 323\(^o\)

Question 27:

• JAMB 2023

A circle has a radius of 13 cm with a chord 12 cm away from the centre of the circle. Calculate the length of the chord.

A. 16 cm
B. 8 cm
C. 5 cm
D. 10 cm

Question 28:

• JAMB 2023

Give the number of significant figures of the population of a town which has approximately 5,020,700 people

A. 7 significant figures
B. 3 significant figures
C. 4 significant figures
D. 5 significant figures

Question 29:

• JAMB 2023

200 tickets were sold for a show. VIP tickets costs ₦1,200 and ₦700 for regular. Total amount realised from the sale of the tickets was ₦180,000. Find the number of VIP tickets sold and the the number of regular ticket sold.

A. VIP = 80, Regular = 100
B. VIP = 60, Regular = 120
C. VIP = 60, Regular = 100
D. VIP = 80, Regular = 120

Question 30:

• JAMB 2023

It takes 12 men 8 hours a day to finish a piece of work in 4 days. In how many days will it take 4 men working 16 hours a day to complete the same piece of work?

A. 6 days
B. 8 days
C. 10 days
D. 12 days