HSC Science (General) 11th Standard - Maharashtra State Board Question Bank Solutions for Mathematics and Statistics

The numbers 3, x, and x + 6 form are in G.P. Find n^th term

Mosquitoes are growing at a rate of 10% a year. If there were 200 mosquitoes in the beginning. Write down the number of mosquitoes after 3 years.

Mosquitoes are growing at a rate of 10% a year. If there were 200 mosquitoes in the beginning. Write down the number of mosquitoes after 10 years.

Mosquitoes are growing at a rate of 10% a year. If there were 200 mosquitoes in the beginning. Write down the number of mosquitoes after n years.

The numbers x − 6, 2x and x² are in G.P. Find x

The numbers x − 6, 2x and x² are in G.P. Find 1^st term

The numbers x − 6, 2x and x² are in G.P. Find n^th term

For the following G.P.s, find S_n

3, 6, 12, 24, ...

For the following G.P.s, find S_n.

p, q, `"q"^2/"p", "q"^3/"p"^2,` ...

For the following G.P.s, find S_n

0.7, 0.07, 0.007, .....

For the following G.P.s, find S_n.

`sqrt(5)`, −5, `5sqrt(5)`, −25, ...

For a G.P. a = 2, r = `-2/3`, find S₆

For a G.P. if S₅ = 1023 , r = 4, Find a

For a G.P. if a = 2, r = 3, S_n = 242 find n

For a G.P. sum of first 3 terms is 125 and sum of next 3 terms is 27, find the value of r

For a G.P. If t₃ = 20 , t₆ = 160 , find S₇

For a G.P. If t₄ = 16, t₉ = 512, find S₁₀

Find the sum to n terms of the sequence.

0.5, 0.05, 0.005, ...

Find the sum to n terms of the sequence.

0.2, 0.02, 0.002, ...

For a sequence, if S_n = 2(3ⁿ –1), find the n^th term, hence show that the sequence is a G.P.