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In a certain colony of cancerous cells,each cell breaks into 2 new cells every hour.how many cells will the colony have at the end of the 9 hours?it is known that life of a cell is 20 hours?i)2^9-1 ii)2^9 iii)2^10 iv)2^10-1

the sum of the first n terms of the AP is equal to half of the sum of the next n terms of the same AP.find the ratio of the sum of the first 3n terms of the progression to the sum of its first n terms.i)5 ii)6 iii)7 iv)8

question 3 of the probability test 7 has a wrong solution , there are only 4 steps to be taken westwards

if 3 positive real numbers x,y,z are in AP such that xyz=4,then what will be the minimum value of y?i)2^1/3 ii)2^2/3 iii) 2^1/4 iv) 2^3/4

if x,y,x are in GP and a^x,b^y,c^z are equal then a,c,b are in i)AP ii)GP iii)HP

how to find tens digit of a number like 43^43^43...

In an infinite GP ,each term is equal to 3 times th sum of the terms that follow.if the first term of the series is 8,find the sum of the series?

In an infinite GP ,each term is equal to 3 times th su of the terms that follow.if the first term of the series is 8,find the sum of the series?

How to prepare for GA section to score well??please suggest..Thank u

how i solve the problems on remainder theorem?