[" If "],[[S_(1)={2},S_(2)={3,6},S_(3)={4,8,16},S_(4)={5,10,20,40},......],[" Then the sum of numbers in the set "S_(15)" is "]],[qquad ([215])]

If N, the set of natural numbers is partitioned into groups S_(1)={1},S_(2)={2,3},S_(3)={4,5,6,7},S_(4)={8,9,10,11,12,13,14,15},"....", find the sum of the numbers in S_(50).

If N, the set of natural numbers is partitioned into groups S_(1)={1},S_(2)={2,3},S_(3)={4,5,6,7},S_(4)={8,9,10,11,12,13,14,15},"....", find the sum of the numbers in S_(50).

If N, the set of natural numbers is partitionaed into groups S_(1)={1},S_(2)={2,3},S_(3)={4,5,6,7},S_(4)={8,9,10,11,12,13,14,15},"....", find the sum of the numbers n C_(50).

The sets S_(1), S_(2), S_(3), …………. are given by S_(1) = {2/1} , S_(2) = {3/2, 5/2} , S_(3) = {4/3, 7/3, 10/3} , S_(4) = {5/4, 9/4, 13/4, 17/4} ,........ . Then the sum of the set S_(25) is

The sets S_1,S_2,S_3, .......... are given by S_1={2/1},S_2={3/2,5/2},S_3={4/3,7/3(10)/3},S_4={5/4,9/4,(13)/4,(17)/4}, ddot Then the sum of the numbers in the set S_(25) is 320 (b) 322 (c) 326 (d) 325

The sets S_(1),S_(2),S_(3),............ are given by S_(1)={(2)/(1)},S_(2)={(3)/(2),(5)/(2)},S_(3)={(4)/(3),(7)/(3)},S_(4)={(5)/(4),(9)/(4),(13)/(4),(17)/(4)},.... Then the sum of the numbers in the set S_(25) is 320(b)322(c)326 (d) 325

S_(1)={2},S_(2)={(3)/(2),(4)/(2)},S_(3)={(4)/(4),(5)/(4),(6)/(4)},S_(4)={(5)/(8),(6)/(8),(7)/(8),(8)/(8)}, then the sum of numbers in S_(20) is

The sets S_(1),S_(2),S_(3),… are given by S_(1)={(2)/(1)} , S_(2)={(3)/(2),(5)/(2)} , S_(3)={(4)/(3),(7)/(3),(10)/(3)} , S_(4)={(5)/(4),(9)/(4),(13)/(4),(17)/(4)},... Then, the sum of the numbers in the set S_(25) is