Question
In a game, there are 12 cards, 5 of which are red and
the rest are blue. If 2 cards are drawn at random, the question is to determine the probability that a red card will be drawn.Solution
ATQ, The probability that a red card will be drawn, one of the cards must be blue card Probability of at least one card being of blue card = 1 – probability of both cards being of red. Required probability = 1 – (5C2/12C2) = 1 – (5/33) = 28/33
If 21st June 2007 was a Thursday, then what was the day of the week on 21st June 2011?
Select the correct set of symbols:
64 4 5 8 = 88
Six friends (J, K, L, M, N and O) are sitting around a circular table facing the centre. J sits second to the right of O. L sits third to the right of K...
Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.
A_ _BD_CEB_ _ CEB_
What will come in place of the question mark (?) of the following equation, if ‘+’ and ‘−’ are interchanged and ‘×’ and ‘÷’ are inte...
In the question below is given a statement followed by two assumptions numbered I and II. An assumption is something supposed or taken for granted. You ...
How straight lines are there in the given picture?
Select the option that is related to the fifth letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster and th...
Which option represents the correct order of the given words as they would appear in the English dictionary?
1. Sailboat
2. Saint
3...
By interchanging which two signs and two numbers (not digits) the equation will be correct?
8 – 4 × 9 + 6 ÷ 3 = 29
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