Practicing Success
Find at what time between 8 to 9 o'clock will the hands of a clock be in the same straight line but not together. |
8 : 15\(\frac{4}{11}\) 8 : 10\(\frac{10}{11}\) 8 : 15\(\frac{10}{11}\) 8 : 16\(\frac{5}{11}\) |
8 : 10\(\frac{10}{11}\) |
Use this formula for this type of question: (5n - 30)× \(\frac{12}{11}\), where n is the minimum value of time which is given in the question. Here, n = 8 Therefore, The hand will be in straight line but not together after = (5 × 8 - 30) × \(\frac{12}{11}\) = 10 × \(\frac{12}{11}\) = × \(\frac{120}{11}\) = 10\(\frac{10}{11}\) min The hand will be in straight line but not together at = 8 : 10\(\frac{10}{11}\) |