The number of circles that can be drawn out of 10 points of which 7 are collinear is
130
85
45
72
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1
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Three unbiased coins are tossed. What is the probability of getting at most two heads ?
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2
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How many words can be formed from the letters of the word "SIGNATURE" so that vowels always come together.
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3
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In a single throw with four dice,the probability of throwing seven is
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4
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A polygon has 44 diagonals. What is the number of its sides?
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5
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How many parallelograms will be formed if 7 parallel horizontal lines intersect 6 parallel vertical lines?
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6
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From a group of 7 men and 6 women, five persons are to be selected to form a committee so that at least three men are in the committee. In how many ways can it be done?
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7
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Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even?
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8
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If A, B and C are mutually exclusive and exhaustive events of a random experiment such that P(B)=3/2P(A) and P(C)=1/2P(B), then P(A∪C)=
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9
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From a pack of 52 playing cards, two cards are drawn together at random. Calculate the probability of both the cards being the Kings.
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10
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If a team of 4 persons is to be selected from 8 males and 8 females, then in how many ways can the selections be made to include at least 1 female
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