Time and Distance Practice Test 2 with solutions

Question : 8 of 40

Marks: +1, -0

Zara and Zoya leave at a same time to walk towards each other respectively from their residence, i.e., 90 km apart. Zara went at a constant speed of 7.5 km/hr while Zoya walked 10 km in the 1st hour, 9 km in the 2nd hour, 8 km in the third hour and so on. At what time will they both meet?