Question
Find the probability of selecting a black face card from a
deck of well shuffled cards.Solution
Total number of cards in a deck = 52
There are 2 black suits: Spades and Clubs. Each suit has 3 face cards.
So, the number of black face cards = 3 × 2 = 6
So, the required probability = (6/52) = (3/26)
Find the wrong number in the given number series.
26, 38, 60, 110, 206, 398
Find the wrong number in the given number series.
63, 66, 57, 75, 51, 81
Find the wrong number in the given number series.
3, 8, 26, 102, 398, 1639Find the wrong number in given number series.
1490, 1377, 1294, 1211, 1138, 1075Â Â Â Â
135, 148, 109, 174, 87, 200Â
- Find the wrong number in the given number series.
30, 39, 23, 47, 12, 61 - 137, 148, 190, 261, 361, 490
556, 547, 483, 458, 242, 196
Find the wrong number in the series.
2, 4, 12, 10, 30, 16, 56Find the wrong number in the given number series.
 289, 274, 260, 247, 235, 225