Question
A man travels some distance at a speed of 16 km/hr and
returns at a speed of 12 km/hr. If the total time taken by him is 2 hrs 20 min, the distance isSolution
Let the distance travelled by a man be D km According to the question, Total time taken = 2 hrs 20 min = 2(20/60) = 7/3 hours Total time = T1 + T2 D/16 + D/12 = 7/3 (3D + 4D)/48 = 7/3 7D/48 = 7/3 D = 16 km
More Time and distance Questions
Find the wrong number in given series.
1759, 1765, 1785, 2047, 2099, 2209
- 72, 102, 148, 200, 272, 362
35, 44, 28, 53, 19, 66
0Â Â Â Â Â Â Â Â Â Â Â Â Â 7Â Â Â Â Â Â Â Â Â Â Â Â Â 26Â Â Â Â Â Â Â Â Â Â 63Â Â Â Â Â Â Â Â Â Â 126Â Â Â Â Â Â Â Â 215
...Find the wrong number in the given number series.
30, 17, 19, 30.5, 64, 164.5
12, 91, 172, 249, 328, 407
3, 15, 35, 63, 99, 143
8, 17, 35, 71, 143, 287
3Â Â Â 4Â Â Â 18Â Â Â Â 72Â Â Â Â 360Â Â Â Â Â 2160Â Â Â
150, 900, 300, 1800, 600, 3700, 1200
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