JEE Main 20208 Jan, Evening shiftMathematicsMediumSequence and Series179× since 2002If the 10^th term of an A.P. is 120{1 \over {20}}201 and its 20^th term is 110{1 \over {10}}101, then the sum of its first 200 terms isAOption A. 100BOption B. 10012100{1 \over 2}10021COption C. 501450{1 \over 4}5041DOption D. 50CheckSkip · show solution