✍RRB NTPC Reasoning PDF 2025 – गलती से भी ये सवाल मिस मत करना।🎯 Home Quizy Start The Quiz Find The Next Number In The Series 5, 10, 20, 40, ? श्रृंखला में अगली संख्या खोजें 5, 10, 20, 40, ? 21% Note:The pattern doubles the previous number. 50 80 70 90 Back to Top Next Question Pages 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 Newsletter Updates Enter your email address below and subscribe to our newsletter Subscribe Leave a ReplyCancel ReplyYour email address will not be published. Required fields are marked * Name * Email * Website Add Comment * Save my name, email, and website in this browser for the next time I comment.Post Comment