The least value of n for which `1+2+2^2 +... ` to n terms is greater than 1000 is

The least value of n for which 1+2 + 2^(2)+ …n terms is greater than 100 is

Find the least value of n for which th sum 1+2 + 2^(2) +… to n terms is greater than 3000.

Find the least value of n for which the sum 1+3+3^2+ ton terms is greater than 7000.

Find the least value of n for which the sum 1+3+3^(2)+rarr n terms is greater than 7000.

Find the least value of n for which the sum 1 + 3 + 3^2 +...... to n terms is greater than 7000.

Find the least value of n for which the sum of the series 20 + 28 + 36 +… to n terms is greater than 1000.

Find the least value of n for which 1+3+3^2+ .... +3^(n-1) gt 1000 .

The greatest value on n so that 1 + 5 +5^(2) + 5^(3) + …. N terms is less than 4321 is

If n = (sqrt2 +1)^6 . Then the integer just greater than n is