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A man travels 3 th of the distance 4 
and 2 km on foot. The total distance travelled by the man is :of his journey by bus, 1 th by rickshaw 6  
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- 12 km
 - 18 km
 - 20 km
 - 24 km
 
 
Correct Option: D
Part of journey covered by bus and rickshaw
| = | + | = | = | ||||
| 4 | 6 | 12 | 12 | 
Distance covered on foot
| = 1 − | = | part | ||
| 12 | 12 | 
∴ Total journey
= 12 × 2 = 24 km.