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What should be the maximum value of Q in...

What should be the maximum value of `Q` in the following equation? `5P9-7Q2+9R6=823` 5 (b) 6 (c) 7 (d) 9 (e) None of these

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RS AGGARWAL-NUMBER SYSTEM-All Questions
  1. What should come in place of ** mark in the following equation? 1**5$4...

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  2. If 6*43-46@9=1904 , which of the following should come in place of ...

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  3. What should be the maximum value of Q in the following equation? 5P9-7...

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  4. In the following sum, ? stand for which digit? ?+1?+2?+?3+?1=21 ? ...

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  5. B takes the value 0      (b)  5       (c) 9    (d)   0 or 9

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  6. C takes the value 0        (c)  2        (d)  2 or 3     (d)  5

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  7. A 3-digit number 4a3 is added to another 3-digit number 984 to give th...

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  8. If (FIGURE), the values of a and b are 1,2      (b)  2,3       (c)...

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  9. Figure   In the above multiplication problem, * is equal to 1    ...

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  10. If * means adding 6 times the second number to the first number, th...

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  11. If 1xx2xx3xx...xxn is denoted by lfloorn , then lfloor8-lfloor7-lfloo...

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  12. The highest power of 9 dividing 99! completely is 11      (b)  ...

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  13. For an integer n ,\ n !=(n-1)(n-2) .3.2.1.\ Then, 1!+2!+3!+ 100 ! w...

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  14. The number of prime factors in the expression 6^(10). 7^(17)\ 11^(27) ...

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  15. What is the number of prime factors contained in the product 30^7xx...

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  16. What number multiplied by 48 will give the same product as 173 mult...

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  17. A positive number, which when added to 1000, gives a sum which is g...

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  18. 7 is added to a certain number the sum is multiplied by 5; the prod...

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  19. Symbiosis runs a corporate training programme. At the end of runnin...

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  20. The sum of four consecutive even numbers A,B,C and D is 180. What i...

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