Find the missing number in the series: ?. ?, 190, 210, 238, 274, 318 Banking RBI Grade B Prelims Medium Number System (including HCF LCM) MCQ Question Find the missing number in the series: ?. ?, 190, 210, 238, 274, 318 Options A. 170 B. 198 C. 186 D. 178 number seriespattern recognitionquantitative aptitude