waec model questions vol1 2023 mathematics
Objective • Question 22
Question 22
WAEC_MODEL_QUESTIONS_VOL1
•
2023
The distance d (in km) travelled by a car varies directly as the square of its speed v (in km/h) and inversely as its fuel efficiency f (in km per litre). When the car travels at 60 km/h with a fuel efficiency of 15 km/l, it covers 180 km. What distance will it cover if the speed is increased to 80 km/h and the fuel efficiency improves by 10%?
Answer Options
Correct Answer
A.
291
B.
260
C.
300
D.
280
Correct Answer
A
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