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Probability of getting 1 red card, 1 purple card and 1 yellow card = 4C1 × 5C1 × 3C1 = 4 × 5 × 3 = 60 Probability of drawing three cards = 12C3 = 220 ∴ Required answer = 60/220 = 3/11
12, 12, 30, 120, ?, 4620
155, 161, 173, 191, ?, 245
37, 57, 82, ?, 147, 187
196, 196, 203, 229, 292, ?
178 168 148 ? 78 28
What will be come in place of (?) in the given number series.
2, 3, 5, 7, 11, ?, 17
1, 7, 37, 187, 937, ?
What will come in place of the question mark (?) in the following series?
4, 11, 32, 95, 284, 851, ?
21, 28, 39, 52, ?, 88
