Consider a watch becomes fast by 10 minutes everyday. By what percent does it become fast? Option 1: 5/12% Option 2: 1/6% Option 3: 25/36% Option 4: 2.5%

Answer: 25/36%. Solution: Total minutes in a day = 24x 60 = 1440. Gain = 10 min. Percentage fast = 10/1440x 100 = 1000/1440 = 25/36%.

Logical Reasoning

Clocks & Calendar

Medium

Consider a watch becomes fast by 10 minutes everyday. By what percent does it become fast?

$\frac{5}{12}\%$

$\frac{1}{6}\%$

$\frac{25}{36}\%$

2.5%

✅ Correct Option: 3

Total minutes in a day = $24\times 60 = 1440$ . Gain = 10 min.

Percentage fast = $\frac{10}{1440}\times 100 = \frac{1000}{1440} = \frac{25}{36}\%$ .

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Consider a watch becomes fast by 10 minutes everyday. By what percent does it become fast?

Solution

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