What is the product of 7th and 10th terms of the sequence defined by
an={1(n+5, if n∈ N and n is even
{2n/n2+1, if n∈N and n is odd
A geometric series consists of four terms and has a positive common ratio. The sum of the first two terms is 12 and the sum of the last two terms is 108. So Find the series
The G.C.D. of 36,156 is 12. Find their L.C.M.
If (x+1) and 2(x+1)(x2-4) are GCD and LCM of two polynomials and if one of the polynomial is (x+1)(x-2) then the order polynomial is
In a village of 300 persons, 180 persons take tea. Find how many take coffee but not tea, If each person takes atleast one of the drinks.
A sum of money rises four times itself at 15% per annum over a certain time. Find the number of years