in covering a certain distance the speed of a & b are in ratio - Wikitechy https://www.wikitechy.com/interview-questions/tag/in-covering-a-certain-distance-the-speed-of-a-b-are-in-ratio/ Interview Questions Mon, 06 Sep 2021 09:18:20 +0000 en-US hourly 1 https://wordpress.org/?v=6.9 https://www.wikitechy.com/interview-questions/wp-content/uploads/2025/10/cropped-wikitechy-icon-32x32.png in covering a certain distance the speed of a & b are in ratio - Wikitechy https://www.wikitechy.com/interview-questions/tag/in-covering-a-certain-distance-the-speed-of-a-b-are-in-ratio/ 32 32 A and B are two cars travelling to a destination which is 360 kilometres away. A takes 4 hours to reach the destination. How much time will it take B to reach the destination if the speeds of A and B are in the ratio 9: 12 ? https://www.wikitechy.com/interview-questions/time-and-distance/a-and-b-are-two-cars-travelling-to-a-destination-which-is-360-kilometres-away-a-takes-4-hours-to-reach-the-destination-how-much-time-will-it-take-b-to-reach-the-destination-if-the-speeds-of-a-and-b/ https://www.wikitechy.com/interview-questions/time-and-distance/a-and-b-are-two-cars-travelling-to-a-destination-which-is-360-kilometres-away-a-takes-4-hours-to-reach-the-destination-how-much-time-will-it-take-b-to-reach-the-destination-if-the-speeds-of-a-and-b/#respond Tue, 17 Aug 2021 21:19:07 +0000 https://www.wikitechy.com/interview-questions/?p=1964

A and B are two cars travelling to a destination which is 360 kilometres away. A takes 4 hours to reach the destination. How much time will it take B to reach the destination if the speeds of A and B are in the ratio 9: 12 ?

A. 2.5 hrs

B. 3.5 hrs

C. 4.5 hrs

D. 3 hrs

Answer : D. 3 hrs

Explanation :

9x/12x = 9/12
Time = Distance / Speed
4 = 360/9x
so x = 10
12x = 120
Time taken by car b = 360/120 =3 hour

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