We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.More informationAgree
asked 2016-08-14 18:24:51 
A man starts going for morning walk everyday. The distance walked by him on the first day was $2$ km, everyday he walks half of the distance walked on the distance walked on the previous day. What can be the maximum total distance walked by him in his lifetime?
A. $4$ km  
B. $2$ km
C. $8$ km 
D. data inadequate
E. none
like 0 dislike 0 comment
profileJaved Khan
answered 2016-08-14 18:45:24 
Ans: $4$ km

First day: $2$ km
Second day: $1$ km
Third day: $\dfrac{1}{2}$ km
So on.

Total distance travelled

This is an infinite geometric progression with first term $2$ and common ratio $\dfrac{1}{2}$

Therefore, the above sum
like 0 dislike 0 comment

Answer This Question