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Find the total number of co-primes to 72...

Find the total number of co-primes to 72, which are less than 72.

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QUANTUM CAT-PERMUTATIONS & COMBINATIONS-QUESTION BANK
  1. Find the total number of odd factors of 72

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  2. Find the total number of even factors of 72.

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  3. Find the total number of co-primes to 72, which are less than 72.

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  4. Find the sum of all the co-primes of 72, which are less than 72.

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  5. Find the total number of ways in which 6, 30, 210 and 60 can be writte...

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  6. If the number of quantities in group A is 10 and in group B is 8, and ...

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  7. A student has to obtain 33% of the total marks to pass. He got 125 mar...

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  8. The average of Sohan's marks in 6 subjects is 74. If his average in fi...

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  9. Find the average of first 199 consecutive natural numbers

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  10. Answer these questions based on the following informations There are ...

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  11. In an examination, a student scores 4 marks for every correct answer a...

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  12. A man walks 6 km at a speed of 1 1/2kmph, runs 8 km at a speed of 2 km...

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  13. Answer these questions based on the following informations There are ...

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  14. Answer these questions based on the following informations There are ...

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  15. Answer these questions based on the following informations There are ...

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  16. Answer these questions based on the following informations There are ...

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  17. Answer these questions based on the following informations There are ...

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  18. Find the average of square of first 5 consecutive natural numbers.

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  19. Answer these questions based on the following informations There are ...

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  20. There are twelve points on a plane, out of which four are collinear po...

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