Loci - Jamb Mathematics Past Questions and Answers

Question 41:

• JAMB 2013

The locus of the points which is equidistant from the line PQ forms a

A. Perpendicular line to PQ
B. Circle centre P
C. Circle centre Q
D. Pair of parallel lines to PQ

Question 42:

• JAMB 2014

The locus of a dog tethered to a pole with a rope of 4m is a

A. Circle with diameter 4m
B. Circle with radius 4m
C. Semi-circle with diameter 4m
D. Semi-circle with radius 4m

Question 43:

• JAMB 2020

What is the circumference of latitude 0\(^o\)S if R is the radius of the earth?

A. Cos \(\theta\)
B. 2\(\pi\)R cos \(\theta\)
C. R sin \(\theta\)
D. 2 \(\pi\) r sin \(\theta\)

Question 44:

• JAMB 2020

A surveyor walks 500m up a hill which slopes at an angle of 30\(^o\). Calculate the vertical height through which he rises

A. 252m
B. 500m
C. 250m
D. 255m

Question 45:

• JAMB 2021

A car travels from calabar to Enugu, a distance of P km with an average speed of U km per hour and continues to benin, a distance of Q km, with an average speed of Wkm per hour. Find its average speed from Calabar to Benin

A. \(\frac{(p + q)}{pw + qu}\)
B. \(\frac{uw(p + q)}{pw + qu}\)
C. \(\frac{uw(p + q)}{pw}\)
D. \(\frac{uw}{pw + qu}\)