here are the answers
3+1 forward --- 27 minutes left
1 back --- 26
6+1 forward --- 20
3 back ---- 17
12+8 forward -- 5
1 back ------- 4
3+1 forward ----1
Family crosses in 29 minutes :)
From India, Madras
3+1 forward --- 27 minutes left
1 back --- 26
6+1 forward --- 20
3 back ---- 17
12+8 forward -- 5
1 back ------- 4
3+1 forward ----1
Family crosses in 29 minutes :)
From India, Madras
Use the following steps:-
1. Send two family members who have speed 1 and 3.
2. Send back the person whose speed is 3.
3. Send two family members who have speed 8 and 12.
4. Send back the person whose speed is 1.
5. Send two family members who have speed 6 and 1.
6. Send back the person whose speed is 1.
7. Send last two family members.
Complete.
From India, Gurgaon
1. Send two family members who have speed 1 and 3.
2. Send back the person whose speed is 3.
3. Send two family members who have speed 8 and 12.
4. Send back the person whose speed is 1.
5. Send two family members who have speed 6 and 1.
6. Send back the person whose speed is 1.
7. Send last two family members.
Complete.
From India, Gurgaon
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