Answer to river crossing IQ game question 16, ferrying 4 couples across the river

We need to ferry 4 couples across the river while meeting the conditions given by the question:

Question : Four couples are out on a picnic together. They need to cross a river while there is only one boat that can carry 2 people. Help them cross the river.

Note : Husbands will not allow their wives to be with another man without their presence.

Hint : Label the river banks from left to right as A, B, C respectively. We need to ferry 4 couples from river bank C to river bank A

Step 1 : Send the couple in Red attire to bank A, the husband in Red attire returns to bank C

Step 2 : The couple in Blue attire crosses to bank B, the husband in Blue attire returns to bank C

Step 3 : The husbands in Blue and Red attire move to bank B, the husband in Red attire returns to bank C

Step 4 : The couple in Yellow attire crosses to bank B

Step 5 : The wives in Yellow and Green attire move to bank A, the wife in Yellow attire returns to bank B, the husband in Blue attire returns to bank C

Step 6: The husbands in Blue and Red attire move to bank A, the couple in Red attire returns to bank B

Step 7 : Husbands in Red and Yellow attire cross to bank A, wife in Light Blue attire returns to bank B

Step 8 : Wives in Light Blue and Red attire cross to bank A, husband in Yellow attire crosses to bank B, couple in Yellow attire returns to bank C

Step 9 : Husband in Yellow and husband in Dark Green attire cross to bank A

Step 10 : Wife in Red attire takes the oar to ferry the remaining wives across to bank A

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We've solved question 16 in the game, let's continue reasoning and move on to question 17, challenges await you to solve, check out the answers to river crossing game question 23 and many other river crossing game answers.