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# If the 10^th term of an A.P. is

Question:

If the $10^{\text {th }}$ term of an A.P. is $\frac{1}{20}$ and its $20^{\text {th }}$ term is $\frac{1}{10}$, then the sum of its first 200 terms is

1. $50 \frac{1}{4}$

2. $100 \frac{1}{2}$

3. 50

4. 100

Correct Option: , 2

Solution: