Home
Class 12
MATHS
.If 20 , 19 1/ 3 , 18 2/ 3 ,,...,are i...

.If `20 , 19 1/ 3 , 18 2/ 3 ,,...`,are in A.P.,and sum to 'n' terms of the series is 300 then '2n' is ] , [ 1) 25 2) 50 3) 75 4) 18

Promotional Banner

Similar Questions

Explore conceptually related problems

The sum to n term of the series 1(1!)+2(2!)+3(3!)+

The sum to n term of the series 1(1!)+2(2!)+3(3!)+

Find the sum to n terms of the series 1.2.3+2.3.4+3.4.5+…

The sum to n term of the series 1(1!)+2(2!)+3(3!)+...

Sum of n terms of the series (2n-1)+2(2n-3)+3(2n-5)+... is

Find the sum of n terms of the series 1.2^(2)+2.3^(2)+3.4^(2)+

The sum of n terms of a series is (3n^(2)+2n) . Prove that it is an A.P.