Time and Distance Practice Test 4 with solutions

Question : 8 of 38

Marks: +1, -0

A car driver reaches his destination in 9 hours, covering half of the journey at the speed of 156.25 km/hr and the second half at the speed of 125 km/hr. Find the distance covered by the car driver.

1,250 km
500 km
625 km
3,125 km
1,875 km

Validate

Solution:

Let the distance covered = 2x
According to the question,

x/{156.25}+x/{125}

= 9

x({100}/{15625}+1/{125})

= 9

x(4/{625}+1/{125})

= 9

x({4+5}/{625})

= 9
x = 625
2x = 1,250 km

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