Question
The time taken by a Xeta added initially to die, increases by 1 second. How many more Xetas need to be added in the incubation flask to ensure that this happens?
Answer the questions based on the information given below.
A microorganism Xeta combines with another microorganism of its kind to form a single microorganism unit. If it does not find another Xeta every second, it dies. There are 2x−1 Xeta in the incubation flask initially. Xeta will find another Xeta provided it is there in the same chamber.
The time taken by a Xeta added initially to die, increases by 1 second. How many more Xetas need to be added in the incubation flask to ensure that this happens?
Answer: Option D
:
D
Now we need to increase the time to die by 1 second. Assume values as previously done. The Xeta need to die after x+1 = 1+1 = 2 seconds.
Go by answer options.
Option (d) = 1+1 = 2 Xeta
1st second ⟹ 2 Xeta will become one.
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:
D
Now we need to increase the time to die by 1 second. Assume values as previously done. The Xeta need to die after x+1 = 1+1 = 2 seconds.
Go by answer options.
Option (d) = 1+1 = 2 Xeta
1st second ⟹ 2 Xeta will become one.
2nd second ⟹ The remaining Xeta will die. Answer is (d).
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