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Number of integral values of x the inequality log102x-2007x+10 holds true, is

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Important Questions on Logarithms

MEDIUM

If log3x+4=log729 then the value of x will be

MEDIUM
Let n be the smallest positive integer such that 1+12+13++1n4. Which one of the following statements is true?
HARD
Let S be the sum of the digits of the number 152×518 in base 10. Then,
MEDIUM
If x+log101+2x=xlog105+log106, then the value of x is
EASY
For 0<m<1, which one of the following is correct?
MEDIUM
Let x, y be real numbers such that x>2y>0 and 2logx-2y=logx+logy. Then the possible value(s) of xy
HARD
The solution set of the inequality logsin(π/3)x2-3x+22 is
HARD
If log3x-1x-2=log9x2-6x+12x2-10x-2, then x equals-
MEDIUM
Let n be a positive integer such that log2log2log2log2log2n<0<log2log2log2log2n . Let l be the number of digits in the binary expansion of n. Then the minimum and the maximum possible values of l are
MEDIUM
The number of solution pairs (x, y) of the simultaneous equations log1/3x+y+log3x-y=2 and 2y2=512x+1 is
MEDIUM
Number of real values of x which satisfy log2x2+log2x+2=4 is/are
MEDIUM
Set of all the values of x satisfying the inequality logx+1xlog2x-1x+2>0 is
MEDIUM
If 1log3π+1log4π>x , then x be
EASY
The number of solution of logsinx2tanx>0 in the interval 0,π2 is
HARD
log13x2+2x>0, if x belongs to the set