जॉइन Examsbookउत्तर : 3. "3:49 1/11"
At what time between 3 and 4 o’clock will the minute hand and the hour hand are on the same straight line but facing opposite directions ?5
प्र: At what time between 3 and 4 o’clock will the minute hand and the hour hand are on the same straight line but facing opposite directions ?
- 13:15 2/8false
- 23:49false
- 33:49 1/11true
- 43:51false
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उत्तर : 3. "3:49 1/11"
व्याख्या :
Answer: C) 3:49 1/11 Explanation: On straight line means 180 degree angle.180 = 11/2 min – 30 hrs180 = 11/2 m – 30 × 3180 = 11/2 m – 90(180 + 90) 2 = 11 mm = 540/11 = 49 1/11 minutes.