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Find the number of positive integers whi...

Find the number of positive integers which have the characterstics 3 when the base of the logarithm is 7

A

`2058`

B

`2060`

C

`2056`

D

`2054`

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The correct Answer is:
A
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MOTION-BASIC MATHEMATIC & LOGARITHM -Exercise - 2 (Level -I)
  1. The number of real roots of the equation (x - 1)^(2) + (x -2)^(2) + (x...

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  2. If a,b,c are real and distinct nubmer , then the value of ((a -b)^(3) ...

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  3. The polynomials P(x) = kx^(3) + 3x^(2) - 3 and Q(x) = 2x^(3) - 5x + k,...

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  4. If a=log(12)18 and b=log(24)54 then find the value of ab+5(a-b)

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  5. Calculate 7^(log g(3)5) + 3 ^(log(5)7 ) - 5 ^(log(3)7) - 7 ^(log(5)3)

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  6. If 4^A+9^B=10^C ,\ where A=(log)(16)4,\ B=(log)3 9\ &\ C=(log)x 83 th...

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  7. log(3) (log(9)x + 1/2 + 9^(x)) = 2x

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  8. If xy^(2) = 4 and log(3) (log(2) x) + log(1//3) (log(1//2) y)=1 , then...

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  9. If alpha le log (sqrt5) [sqrt2( sin x - cos x) + 3] le beta then

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  10. If 1/2 le log(0.1) x le 2, then

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  11. If log(10) 2 = 0.3010 " and " log(10) 3 = 0.4771, then find the number...

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  12. The number of zeros immediately after the decimal in 3^(-100)

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  13. Given log10 (34.56)=1.5386 find log10 (3.456) ;log10(0.3456) and log10...

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  14. Find the number of positive integers which have the characterstics 3 w...

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  15. If x satisfies |x-1|+|x-2|+|x-3|geq6

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  16. Number of real x satisfying the equation |x -1| = |x - 2| + |x - 3|...

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  17. The number of ordered pairs (x, y) satisfying the equation x - y = (...

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  18. The equation sqrt(1+log(x) sqrt27) log(3) x+1 = 0 has

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  19. If A={x|x is prime number and x<30}, find the number of different rati...

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