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प्रश्न
Choose the correct alternative:
There are 10 points in a plane and 4 of them are collinear. The number of straight lines joining any two points is
विकल्प
45
40
39
38
उत्तर
40
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संबंधित प्रश्न
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How many two letter words can be formed using letters from the word SPACE, when repetition of letters is allowed?
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Choose the correct alternative:
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