Fill in the blank space for the given series with the correct alternative.
$8, 24, 12, 36, 18, 54, (\ldots)$

The following question is based on the five three-digit numbers given:
$513, 248, 371, 634, 167$
Which of the following represents the sum of all three digits of the lowest number among them?

The following questions are based on the five three-digit numbers given below:
$972, 526, 487, 359, 251$
If the digits in each of the above numbers are written in reverse order,which will be the second highest number?

Fill in the blank space for the given series with the correct alternative.
$0, 2, 6, (\ldots), 20, 30, 42$

Find out the wrong term from the given series:
$56, 72, 90, 110, 132, 150$

In the number $76534218$,each digit is replaced by the next digit (i.e.,$1$ is replaced by $2$,$2$ is replaced by $3$,and so on). After this,the digits are arranged in ascending order from left to right. Which digit will be fifth from the left end?