How many 4's are there in the following which are preceded by 7 but NOT followed by 3 ? 5 9 3 2 1 7 4 2 6 9 7 4 6 1 3 2 8 7 4 1 3 8 3 2 5 6 7 4 3 9 5 8 2 0 1 8 7 4 6 3

How many 'b's are preceded by 'd' and followed by 'b' in the following sequence? bdbddbbdbdbbbdbdbddbbbd

Which one of the following is NOT a number of the series? 1, 8, 27, 64, 125, . . .

Which one of the following word can NOT be formed using the letters of the word 'PROFESSIONAL'?

Choose the alternative which appears next in the following series. A4X, D9U, G16R, J25O, ____

If the sequence of the English alphabets is reversed, which of the following would be the 14th letter from your left?