Solution
Expression = $$\frac{59881\times59881-49681\times49681}{10200}$$
= $$\frac{(59881)^2-(49681)^2}{10200}$$
Using, $$a^2-b^2=(a-b)(a+b)$$
= $$\frac{(59881-49681)\times(59881+49681)}{10200}$$
= $$\frac{10200\times109562}{10200}=109562$$
=> Ans - (B)
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