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If N=3^(14)+3^(13)-12, then what is the ...

If `N=3^(14)+3^(13)-12`, then what is the largest prime factor of N ?

A

11

B

79

C

13

D

73

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GAGAN PRATAP -NUMBER SYSTEM-Multiple Choice Questions
  1. The number of factors of 3600 is: 3600 के कितने गुणनखंड है:

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  2. If N=9^(9), then N is divisible by how many positive perfect cubes ?

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  3. If N=3^(14)+3^(13)-12, then what is the largest prime factor of N ?

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  4. The value of (1)/(1xx2)+(1)/(2xx3)+(1)/(3xx4)+..... +(1)/(99xx100) is

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  5. What is the value of/का मान क्या है? 1/(3xx7)+1/(7xx11)+1/(11xx15)+......

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  6. Find the value of the expression: (1/(2^2-1)+1/(4^2-1)+1/(6^2-1)........

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  7. The value of (1)/(15) + (1)/(35) + (1)/(63) + (1)/(99) + (1)/(143) is

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  8. What is the sum of 1 1/2+4 1/6+7 1/12+10 1/20.....up to 20 terms? 1 ...

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  9. By adding 3 and 5 in numerator and denominator of a fraction it become...

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  10. The numerator of a fraction is 3 more than the denominator. When 5 is ...

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  11. The denominator of a fraction is 4 more than twice the numerator. When...

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  12. The numerator of a fraction is 6 less than its denominator. If 1 is su...

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  13. There is a number consisting of two digits, the digit in the units pla...

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  14. A two-digit number is 9 more than four times of the number obtained by...

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  15. Let XYZ be a 3-digit number.Let S=XYZ+YZX+ZXY. Which of the following ...

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  16. If a certain number of two digits is divided by the sum of its digits,...

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  17. A number consists of two digits such that the digit in the ten's plac...

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  18. When a two-digit number is multiplied by the sum of its digits, the pr...

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  19. The sum of the digits of a two-digit number is 1/7 of the number. The ...

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  20. Three numbers are in Arithmetic Progression (AP) whose sum is 30 and t...

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