Question

Neha plants a jasmine on her 6th birthday if the plant has one jasmine to start with and number of jasmine double every week , then how many jasmine will be there after X week

Answer 1

There are 7 days in a week.

If the plant doubles the number of jasmine every week

then ;

Number of jasmines after X week are :-

1 + 2 + 4 + ....... +X times

=> X = 2^(x-1)

Answer 2

Answer:

8 Jasmine

6th birthday

7 days=1 week=6+2=8