1. | The number of different factors the number 75600 has is |
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2. | The total number of 9 digits numbers of different digits is |
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3. | If ^{n} c_{r-1} = 56, = 28 and ^{n} c_{r+1} = 8, then r is equal to |
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4. | If =336 and =56,then n and r will be |
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5. | The number of ways in which 8 sweats of different sizes can be distributed among 8 persons of different ages so that the largest sweat always goes to be younger assuming that each one of then gets a sweat is |
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6. | At an election there are 5 candidates and 3 members are to be elected. A voter is entitled to vote for any number of candidates not greater than the number to be elected. The number of ways a voter choose to vote is |
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7. | The number of ways the letters of the word "Triangle" to be arranged so that the word 'angle' will be always present is |
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8. | Lf ^{500} C_{92}=^{499}C_{92 +} ^{n}C_{91} then x is |
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9. | The number of ways in which the letters of the word DOGMATIC can be arranged is |
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10. | 3 ladies and 3 gents can be seated at a round table so that any two and only two of the ladies sit together. The number of ways is |
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11. | 5 letters are written and there are five letter-boxes. The number of ways the letters can be dropped into the boxes, are in each |
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12. | The number of diagonals in a decagon is |
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13. | The number of even numbers greater than 300 can be formed with the digits 1, 2, 3, 4, 5 without repetion is |
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14. | In a group of boys the number of arrangement of 4 boys is 12 times the number of arrangements of 2 boys.The number boys in the group is |
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15. | Five bulbs of which three are defective are to be tried in two bulb points in a dark room. Number of trials the room shall be lighted is |
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16. | The letters of the words CALCUTTA and AMERICA are arranged in all possible ways. The ratio of the number of there arrangements is |
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17. | Mr. X and Mr. Y enter into a railway compartment having six vacant seats. The number of ways in which they can occupy the seats is |
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18. | If 50 different jewels can be set to form a necklace then the number of ways is Options: A. B. C.49! D.None of these |
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19. | can be written as Options: A. B. C. D.None of these |
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20. | The value of |
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