Choose the correct alternative to complete the series: $aa...aaa.....aaaa...aaaa...b$

The following questions are based on the five three-digit numbers given below:
$972, 526, 487, 359, 251$
If the positions of the digits of each of the numbers are interchanged such that the first digit becomes the second,the second digit becomes the third,and the third digit becomes the first,which of the following will be the highest?

Choose the correct alternative to complete the series: $c _ a c _ a a _ a a _ b e _ b c c$

Find out the wrong term from the given series.
$10, 14, 28, 32, 64, 68, 132$

Choose the correct alternative answer

$a...cdaab...cc....daa...bbb....ccddd$

Find the missing term for the given series from the given alternatives:
$DEB, IJG, NOL, ?, XYV$