जॉइन Examsbookउत्तर : 3. "54 min"
Virus doubles every 3 mins. It is 'K' in 1 hour, when was it K/4 ?5
प्र: Virus doubles every 3 mins. It is 'K' in 1 hour, when was it K/4 ?
- 129 minfalse
- 225 minfalse
- 354 mintrue
- 457 minfalse
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उत्तर : 3. "54 min"
व्याख्या :
Answer: C) 54 min Explanation: If virus is K in 1hr i.e 60 minthen in 57 min it was K/2 as it doubles every 3 minutes=> In 54 min it was K/4.At 54 minutes it was K/4.