You have new items in your feed. Click to view.
Question and answer
A good puzzle....crack it... Four friends A, B, C, D Need to cross d bridge.. They start on d same time to cross d bridge. A maximum f 2 peoples can cross at a time.. It is night and they have just
1 lamp. People that cross the bridge must carry the lamp to see the way.. A pair must walk together at the speed of slower person... Speeds of A: 1 minute to cross bridge B: 2 minutes to cross bridge C: 7 minutes to cross bridge D: 10 minutes to cross bridge Now question is... "what is d total minimum time required by all 4 friends to cross the bridge....?
The person 1 & 2 will go first then the 2 will come back with the torch & then 5 & 10 both will go with the torch. The person 1 will come back with the torch and 2 & 1 will go to the other side. [ So the total will be 2+2+10+1+2=17mins. ]
Expert answered|jeifunk|Points 12038|
Question
Asked 12/20/2013 8:07:00 AM
0 Answers/Comments
Get an answer
New answers
Rating

There are no new answers.

Comments

There are no comments.

Add an answer or comment
Log in or sign up first.
Questions asked by the same visitor
27,221,607 questions answered
Popular Conversations
Add and simplify: 9/16 + 1/2=?
3/26/2017 12:13:00 PM| 3 Answers
Business will incur a _____ when expenses are higher than revenue.
Weegy: Business will incur a profit when expenses are higher than revenue. This is FALSE. User: The logic behind ...
3/26/2017 2:58:45 PM| 2 Answers
3 = b + 3
Weegy: (b3)2 is equal to b6. Solution: =(b3)2. =(b3)*(b3). =(b*b*b)*(b*b*b). =b*b*b*b*b*b. =b6. User: x/5 + 9 = ...
3/27/2017 7:19:00 AM| 2 Answers
Who is the Father of Modern Taxonomy
3/26/2017 5:59:22 AM| 1 Answers
If there is a discrepancy in patient information, a healthcare ...
Weegy: If there is a discrepancy in patient information, a healthcare professional should be sure to DOCUMENT the ...
3/26/2017 8:42:03 AM| 1 Answers
The National Response Framework is:
3/26/2017 10:10:34 AM| 1 Answers
Weegy Stuff
S
Points 602 [Total 703] Ratings 0 Comments 602 Invitations 0 Offline
S
Points 540 [Total 540] Ratings 0 Comments 540 Invitations 0 Offline
S
P
P
L
P
Points 232 [Total 1550] Ratings 1 Comments 222 Invitations 0 Online
S
R
Points 205 [Total 305] Ratings 1 Comments 145 Invitations 5 Offline
S
P
P
L
P
P
Points 175 [Total 1627] Ratings 1 Comments 165 Invitations 0 Offline
S
Points 30 [Total 40] Ratings 3 Comments 0 Invitations 0 Offline
S
Points 14 [Total 14] Ratings 1 Comments 4 Invitations 0 Offline
S
P
P
Points 14 [Total 744] Ratings 0 Comments 14 Invitations 0 Offline
S
Points 13 [Total 13] Ratings 1 Comments 3 Invitations 0 Offline
S
Points 12 [Total 12] Ratings 0 Comments 12 Invitations 0 Offline
* Excludes moderators and previous
winners (Include)
Home | Contact | Blog | About | Terms | Privacy | © Purple Inc.