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koustabhdolui

koustabhdolui’s Tests

Permutations and Combinations

A test by Koustabh Dolui.

Test Questions
  1. Question
    A polygon has 44 diagonals.Number of sides=?
    Answers
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  2. Question
    How many 10 digit numbers can be formed using 3 and 7 only?
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  3. Question
    How many 5 digit numbers can be formed which are divisible by 3 using the numerals 0,1,2,3,4,5 (WITHOUT REPETITION)
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  4. Question
    Everyone shakes hands with everyone else in a room.Total number of handshakes is 66.Number of persons=?
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  5. Question
    The number of parallelograms that can be formed from a set of FOUR parallel straight line intersecting a set of THREE parallel straight lines=?
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