Question

In the given number series how many times is $9$ preceded by $6$ and $6$ is preceded by $9$ ?
$36996869888963968969$

• A. $0$
• B. $1$
• C. $2$
• D. $3$

Answer 1

The correct option is B $1$

Given series

$36996869888963968\underset{–}{969}$

There is one such occurrence in the above sequence where $9$ is preceded by $6$ and $6$ is preceded by $9$.