IBM Company Numerical Ability Permutation and Combination

When four fair dice are rolled simultaneously, in how many outcomes will at least one of the dice show 3?

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IBM Other Question

How many four letter distinct initials can be formed using the alphabets of English language such that the last of the four words is always a consonant? In how many ways can the letters of the word EDUCATION be rearranged so that the relative position of the vowels and consonants remain the same as in the word EDUCATION?