How many parallelograms will be formed if 7 parallel horizontal lines intersect 6 parallel vertical lines?
42
294
315
258
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1
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A, B, C, and D are four points, any three of which are noncollinear. Then, the number of ways to construct three lines each joining a pair of points so that the lines do not form a triangle is
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2
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Find the probability that a leap year selected at random will contain 53 Sundays
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3
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If four dice are thrown together, then what is the probability that the sum of the numbers appearing on them is 25 ?
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4
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A coin is tossed 5 times. What is the probability that head appears an odd number of times?
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5
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If C(n, 7) = C(n, 5), find n
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6
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How many words, with or without meaning, can be formed using all letters of the word EQUATION using each letter exactly once?
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7
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The value of ^{75}P_{2}
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8
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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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9
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How many natural numbers can be made with digits 0, 7, 8 which are greater than 0 and less than a million?
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10
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Four letters are selected from the word “CAPAME” and are rearranged to form four letter words. How many words can be formed?
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