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?

Find out the wrong term from the given series:
$3, 4, 10, 32, 136, 685, 4116$

To answer these questions, study the following arrangement of digits, letters and symbols carefully.

$6, N,P ,=,@, 7,1 ,\& , R, T, 3, L, ,B, \star, E ,4,\# , 8, G,H ,\$, 5, K,M ,?, 2, D,C$

If all the symbols in the arrangement are deleted, which of the following will be the $4^{th}$ to the left of the $12^{th}$ element from the left end?

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

Study the following arrangement carefully and answer the question.
$O, 4, E, J, 5, T, 1, A, M, Q, 3, 8, N, I, K, 7, W, F, 6, S, 9, U, 2, Y, X$
How many such vowels are there in the above arrangement,each of which is immediately preceded by a number and immediately followed by a consonant?

Find the missing letters for the given series from the given alternatives.
$.....bcdbc....dcabd....bcdbc....dc....bd$