Question
A card is drawn randomly from a collection of total face
cards. What is the probability that the drawn card is a jack?Solution
Three face cards (Queen, King, and Jack) are in each of the four suits (Heart, Diamond, Spade, and Club). So, total number of face cards = 4 × 3 = 12 There are 4 jacks one in each suit (Heart, Diamond, Spade, and Club). n(E) =4 Required probability, = 4/12 = 1/3
Find the wrong number in the given number series.
263, 133, 201, 505, 1771, 7974
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2, 4, 12, 48, 240, 1440 - In the given number series, find the wrong number.
120, 60, 30, 15, 7.5, 3.25, 1.875 - Find the wrong number in the given number series.
5, 10, 20, 35, 80, 160 Find the wrong number, in the given number series,
70, 56, 42, 30, 20, 12
54, 58, 67, 92, 173, 262Â
32, 48, 72, 108, 162, 248
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8, 12, 21, 46, 95, 195 2, 6, 14, 30, 134, 614
Find the wrong number in the given number series.
11, 20, 38, 78, 154, 310