1/5×1/5×1/5

The sum of the infinite series 1+(1+1/5)(1/2)+(1+1/5+1/(5^2))(1/(2^2))+...

Replace ( ) by the correct number: (\ )-5/8=1/4 (ii) (\ )-1/5=1/2 1/2-\ (\ )=1/6

The value of log 2+2 (1/5+1/3.(1)/(5^(3))+1/5.(1_)/(5^(5))+..+infty) is

simplify: 6 1/6-\ 5 1/5\

(1/3xx1/5)/(1/3xx1/5+1/3xx1/6+1/3xx1/7)

Which of the following is (are) not equal to {(5/6)^(1/5)}^(-1/6)\ ? (a)\ (5/6)^(1/5-1/6) (b)\ 1/({(5)^(1/5)}^(1/6)) (c)\ (6/5)^(1/(30)) (d)\ (5/6)^(-1/(30))

Find the sum of the following series to infinity: 1/3+1/(5^2)+1/(3^3)+1/(5^4)+1/(3^5)+1/(5^6)+oo

x=(1)/(3)+(1)/(3.3^(3))+(1)/(5.3^(5))+….. y=(1)/(5)+(1)/(3.5^(3))+(1)/(5.5^(5))+…. z=1+(1)/(3.2^(2))+(1)/(5.2^(4))+(1)/(7.2^(6))+….. Then descending order of x, y, z

The probability that a student is not a swimmer is 1/5 . Then the probability that out of five students, four are swimmers is (A) ^5C_4""(4/5)^4""1/5 (B) (4/5)^4""1/5 (C) ^5C_1 1/5(4/5)^4 (D) None of these

If (x + 5) / (1/x + 1/5)= 5 , then x =