जॉइन Examsbookउत्तर : 4. "3:16 4/11"
At what time, between 3 o’clock and 4 o’clock, both the hour hand and minute hand coincide each other ?5
प्र: At what time, between 3 o’clock and 4 o’clock, both the hour hand and minute hand coincide each other ?
- 13:16 7/11false
- 23:16 11/4false
- 33:30false
- 43:16 4/11true
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उत्तर : 4. "3:16 4/11"
व्याख्या :
Answer: D) 3:16 4/11 Explanation: Coincide means 00 angle. This can be calculated using the formulafor time A to B means [11m/2 - 30 (A)] Here m gives minutes after A the both hands coincides. Here A = 3, B = 4 0 =11m/2 –30 × 311m = 90 × 2 = 180m= 180/11 = 16 4/11 So time = 3 : 16 4/11