A box contains 2 white balls, 3 black balls and 4 red balls. In how many ways can 3 balls be drawn from the box, if at least one black ball is to be included in the draw?
32
48
64
96
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1
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The number of triangles that can be formed by choosing the vertices from a set of 12 points, seven of which lie on the same straight line, is
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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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A speaks truth in 75% cases and B in 80% of the cases. In what percentage of the cases are they likely to contradict each other, narrating the same incident?
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4
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There are 6 letters for 3 envelopes. In how many different ways can the envelopes be filled?
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5
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How many 5 digit even numbers with distinct digits can be formed using the digits 1, 2, 5, 5, 4?
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6
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A teacher has to choose the maximum different groups of three students from a total of six students. Of these groups, in how many groups there will be included in a particular student?
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7
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One red flower, three white flowers, and two blue flowers are arranged in a line such that
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8
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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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9
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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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10
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If ,, are probabilities of three mutually exclusive events, then
SolutionAnswer :1/2 
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