Answer to IQ river-crossing game question 26: Calculate the precise time for the boy to reach the riverbank.

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Ngày cập nhật gần nhất: 15/4/2026

We've made considerable strides in solving the IQ river-crossing game. Today, Mytour.vn continues to help you conquer question 26 with the solution to the river-crossing game's 26th challenge.

As we approach question 26, we notice similarities with question 25, with a slight difference in the prescribed minutes. The river-crossing game has taken us through various emotions, and here is the answer to question 26 of the IQ river-crossing game.

Question: Calculate the time for the boy to reach the riverbank right when the boatman arrives. Given two hourglasses (7 minutes and 11 minutes), and the boat will arrive in exactly 24 minutes.

Hint:

Let the 7-minute hourglass be A, and the 11-minute one be B.
Step 1: Sail with A=7, B=11; then A=0, B=4 (elapsed 7 minutes)
Step 2: Invert A to get A=7, B=4
Step 3: Sail with A=3, B=0; then A=0, B=11 (elapsed 4 minutes)
Step 4: Invert B to get A=3, B=11
Step 5: Sail with A=0, B=8; then A=0, B=3 (elapsed 3 minutes)
Step 6: Invert B to get A=0, B=3
Step 7: Sail with A=0, B=0; then A=7, B=0 (elapsed 3 minutes)
Step 8: Invert A to get A=7, B=0
Step 9: Sail with A=0, B=0.
Thus, we have met the requirements, and the total time taken is 24 minutes.

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We've successfully solved IQ river-crossing game question 26. Stay tuned for what's new in question 27, and if you find it challenging, check out the solution to IQ river-crossing game question 27 and explore many other solutions awaiting you.

Frequently Asked Questions

What are the key steps to solve the IQ river-crossing game question 26?

To solve question 26, first sail using the 7-minute hourglass and the 11-minute hourglass, following specific steps to keep track of time. The final calculation confirms the total time taken is 24 minutes, ensuring the boy reaches the riverbank precisely when the boatman arrives.

How does the IQ river-crossing game question 26 differ from question 25?

The primary difference between question 26 and question 25 lies in the prescribed minutes for completion. While both questions share similar steps, the time adjustments for question 26 create unique challenges for players.

Can you explain the importance of the hourglasses in solving the game?

The hourglasses are crucial for timing events accurately in the IQ river-crossing game. By utilizing the 7-minute and 11-minute hourglasses strategically, players can manipulate time to ensure the boy arrives on the riverbank at the right moment.

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