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about to only mathematics...

about to only mathematics

A

60

B

30

C

48

D

64

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The correct Answer is:
A
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check whether it is statement or not .Do you like mathematics ?

AAKASH INSTITUTE ENGLISH-PERMUTATIONS AND COMBINATIONS -Assignment Section A Objective type questions (One option is correct )
  1. The number of permutation of n different objects, taken r at a line, w...

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  2. The number of words which can be formed out of the letters of the word...

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  3. about to only mathematics

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  4. The number of ways in which three girls and ten boys can be seated in ...

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  5. IN a meeting everyone had shaken hands with everyone else, it was foun...

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  6. Number of different striaght lines that cn be formed by joining 12 dif...

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  7. A polygon has 90 diagonals , number of its sides is

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  8. Number of triangles that can be formed by joining the 10 non-collinear...

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  9. Number of different words that can be formed from 15 consonants and 5 ...

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  10. A box contains 7 red , 6 white and 4 blue balls. Number of ways of sel...

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  11. In a test paper there are 10 questions . Number of ways in which 6 que...

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  12. How many four digit natural numbers not exceeding 4321 can be formed ...

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  13. Number of ways in which the letters of the word MOBILE be arranged so ...

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  14. Number of ways in which the letters of the word RAINBOW be arranged su...

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  15. Number of even numbes greater than 300 that can be formed with the dig...

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  16. There are 6 books of physics , 3 of chemistry and 4 of biology . Numbe...

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  17. A person has 5 shirts, 4 coat and 7 ties . Number of ways in which he ...

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  18. Number of ways in which 15 different books can be arraged on a shelf s...

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  19. How many 6 digit numbers can be formed out of the digits of the number...

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  20. Number of ways in which n balls be randomly distributed in n cells is

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