NTSE Stage 2 SAT 2017 Question Paper

Question : 14 of 100

Marks: +1, -0

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]

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