जॉइन Examsbookउत्तर : 3. "1425/18 min"
How much does a clock lose per day, if its hands coincide ever 65 minutes ?5
प्र: How much does a clock lose per day, if its hands coincide ever 65 minutes ?
- 11440/143 minfalse
- 2184/13 minfalse
- 31425/18 mintrue
- 4541/9 minfalse
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- Workspace
उत्तर : 3. "1425/18 min"
व्याख्या :
Answer: C) 1425/18 min Explanation: 55 min. spaces are covered in 60 min.60 min. spaces are covered in ((60/55) x 60) min = 720/11 min.Loss in 65 min. = (720/11 - 65 ) = 5/11Loss in 24 hrs = (5/11 x 1/65 x 24 x 60)min = 1440/143 min.