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NTSE Stage 2 SAT 2017 Question Paper
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© examsnet.com
Question : 14
Total: 100
At every 20 mintues, one bacterium divides into two. How many bacteria will be produced after two hours, if one starts with 10 bacteria ?
2
5
×
10
2
5
×
10
5
2
6
×
10
2
6
×
10
6
Validate
Solution:
Given time → 120 minutes
Given number of bacteria → 10
Shows divisions after → 20 minutes
So, [20 × 6 = 120 minutes]
Bacteria divides 6 times.
After 120 minutes we have →640 bacteria
[
2
6
×
10
]
© examsnet.com
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