यदि संख्या 2796543018 में पहले और छठे अंक के स्थान आपस में बदल दिए जाएं, और इसी प्रकार दूसरे और सातवें अंक के स्थान आपस में बदल दिए जाएं और आगे भी यही क्रम जारी रहे, तो बाएं छोर से सातवें अंक के बाईं ओर तीसरा अंक कौन सा होगा?

Refer to the following number series (counting is done from left to right): (Left) 8 2 3 4 7 6 6 3 4 5 6 3 3 8 1 3 6 6 8 9 8 (Right) How many such odd digits are there, each of which is immediately preceded by an odd digit and also immediately followed by an even digit?

How many '3's are there in the given sequence which are immediately preceded by an odd number and immediately followed by an even number? 5 8 9 3 4 5 6 3 8 4 5 4 2 1 4 7 6 9 8 7 3 8 4 2 3 2 4 3 5 6 3 4 6 7 3 2 4 5 7