Question
A boy goes to school at 4 km/Hr and return at a speed of
3 km/hr. If he takes 7 hrs in all. Find the distance from his village to school?Solution
Let the distance from village to school be D km According to the question, ⇒ D/4 + D/3 = 7 ⇒ 7D/12 = 7 ⇒ D = 12 km
More Time and distance Questions
There are three series given below which are following with the same pattern.
Series I: 21, 44, 135, 544, 2725
Series II: 14, B, C, D, E
90     211     67     236     ?     265
...26 63 124 215 342 511 ?
...23   27    54    ?       195    231
...59, 170, 301, 452, ?, 814
30, 39, 66, ? , 174, 255
2, 12, 36, 80, ?, 252
104   106   110   113   ?   126
17                          26                          37                   �...
13, 14, 18, 27, 43, ?
