Let `S=4/(19)+(44)/(19^2)+(444)/(19^3)+ u ptooo` . Then `s` is equal to `40//9` b. `38//81` c. `36//171` d. none of these

Let S=(4)/(19)+(44)/((19)^(2))+(444)/((19)^(3))+...oo then find the value of S

If S = (7)/(5) + (9)/(5^(2)) + (13)/(5^(3)) + (19)/(5^(4)) + …., then 160 S is equal to ________ .

(19)^(12)xx(19)^(8)-:(19)^(4)=(19)^(?)6b.8c.12d24

The maximum sum of the series 20+19(1)/(3)+18(2)/(3)+... is 310 b.300 c.0320 d.none of these

Let x+y=1 and x^(3)+y^(3)=19, then the value of x^(2)+y^(2) is equal to 9(b)19(c)39(d)13

One ticket is selected at random from 100 tickets numbered 00,01,02,...,98,99. If x_(1), and x_(2) denotes the sum and product of the digits on the tickets,then P(x_(1)=9/x_(2)=0) is equal to 2/19 b.19/100 c.1/50 d.none of these

(16(2)/(5)-12(1)/(15))-:3(4)/(81)=?( a) 1(9)/(19) (b) 1(9)/(13)(c)2(8)/(13) (d) 3(2)/(19) (e) None of these

Complete the series: 2, 5, 9, 19, 37, ...... (a) 76 (b) 74 (c) 75 (d) None of these

Let y=x^(3)-8x+7 and x=f(t). If (dy)/(dt)=2 and x=3 at t=0, then (dx)/(dt) at t=0 is given by 1 (b) (19)/(2)(c)(2)/(19) (d) none of these

The coefficient of x^(19) in the polynomial (x-1)(x-2)(x-2^(2))...(x-2^(19)) is 2^(20)-2^(19) b.1-2^(20) c.2^(20) d.none of these