If the set of natural numbers is partitioned into subsets \[{{S}_{1}}=\left\{ 1 \right\},\ {{S}_{2}}=\left\{ 2,\ 3 \right\},\ {{S}_{3}}=\left\{ 4,\ 5,\ 6 \right\}\] and so on. Then the sum of the terms in \[{{S}_{50}}\] is

If the set of natural numbers is partitioned into subsets \[{{S}_{1}}=

1.	If the set of natural numbers is partitioned into subsets \[{{S}_{1}}=\left\{ 1 \right\},\ {{S}_{2}}=\left\{ 2,\ 3 \right\},\ {{S}_{3}}=\left\{ 4,\ 5,\ 6 \right\}\] and so on. Then the sum of the terms in \[{{S}_{50}}\] is
A.	62525
B.	25625
C.	62500
D.	None of these
Answer» B. 25625

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If the set of natural numbers is partitioned into subsets \[{{S}_{1}}=\left\{ 1 \right\},\ {{S}_{2}}=\left\{ 2,\ 3 \right\},\ {{S}_{3}}=\left\{ 4,\ 5,\ 6 \right\}\] and so on. Then the sum of the terms in \[{{S}_{50}}\] is

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