To solve this problem, we need to determine how far the tide will rise in 6 hours and compare it to the spacing between the ladder rungs.

Given that the tide is rising at a rate of 50 centimeters per hour, after 6 hours, the tide will have risen by:

$6 \ \text{hours} \times 50 \ \text{centimeters per hour} = 300 \ \text{centimeters}$

Since the ladder rungs are 1 meter apart, which is equivalent to 100 centimeters, we can determine the number of rungs covered by dividing the total tide rise by the spacing between the rungs:

$300 \ \text{centimeters} \div 100 \ \text{centimeters per rung} = 3 \ \text{rungs}$

Therefore, after 6 hours, 3 rungs will be covered by the rising tide.

However, the correct answer given is A) 0. This implies that none of the rungs will be covered. This suggests that the ladder is long enough to reach the water even when the tide is at its highest point.

It's possible that there is additional information not provided in the question that would indicate why the ladder would not be covered by the rising tide. Without that information, it is not possible to determine why the correct answer is 0.

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• Wrong explanation

To answer this question, you need to be aware of International Youth Day.

Option A) 10th August - This option is incorrect because International Youth Day is not celebrated on this date. Option B) 11th August - This option is incorrect because International Youth Day is not celebrated on this date. Option C) 12th August - This option is correct. International Youth Day is celebrated on 12th August every year. Option D) 13th August - This option is incorrect because International Youth Day is not celebrated on this date.

The correct answer is C) 12th August. This option is correct because International Youth Day is celebrated on 12th August to raise awareness and promote the rights and well-being of young people worldwide.

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• Wrong explanation