Question
A word consists of 9 letters 5 consonants and 4 vowels.
Three letters are chosen at random. What is the probability that more than one vowel will be selected.Solution
Given Data: 9 letters: 5 consonants, 4 vowels. Choosing 3 letters randomly. Find probability of selecting more than one vowel (i.e., 2 vowels + 1 consonant or 3 vowels). Find Total Ways to Pick Any 3 Letters Total ways to choose 3 letters from 9: (9/3) = 84 Find Favorable Cases Case 1: 2 vowels, 1 consonant 
Case 2: 3 vowels 
Total favorable cases = 30+4 = 34 Find Probability 34/84 = 17/42
82, 98, 130, 178, 242, ?
562, 628, 698, ?, 850
- What will come in place of (?) in the given number series.
3, 9, 15, 21, ?, 33 - What will come in place of (?) in the given number series.
1, 8, 27, ?, 125, 216 11 6 7 12 26 ? 205.5
What will come in place of the question mark (?) in the following series?
11, 18, 32, 60, ?, 228What will come in place of the question mark (?) in the following series?
4000, ?, 320, 192, 153.6, 153.6
84, 63, ?, 283.5, 1701
Find the missing number in the given number series.
58, 86, 142, ?, 478, 926
24 12 ? 24 96 768
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