Basic Mathematics and Logarithm questions
509 published questions with worked solutions.
- If x, y R, then 1 2 (x + y + |x - y|) = x holds iff
- Solution of the equation 4 9^ x-1 =3 2^ 2x+1 is
- The greatest number among [3]9, [4] 11 , [6] 17 is
- Given that a,b 0,1,2, ,9 with a+b 0 and that (a+ b 10 )^x= ( a 10 + b 100 )^y=1000. Then 1x- 1y is equal to
- If _e ( a+b 2 )= 12 ( _ea+ _eb ), then
- If a= _23, b= _25, c= _72, then _ 140 63 in terms of a,b,c is
- If _ 3 5=a and _ 3 2=b, then _ 3 300 is equal to
- If _2 [ _3 _4 ( _5x ) ]=0, then the value of x is
- The value of _35 _ 25 27 _ 49 7 _ 81 3 is
- The value of _220 _280- _25 _2320 is equal to
- The solution set of the equation [4 (1- 13+ 19- 1 27 + ) ]^ _2x = [54 (1+ 13+ 19+ 1 27 + ) ]^ _x2 is
- If x= _abc, y= _bca, z= _cab, then the value of 1 1+x + 1 1+y + 1 1+z will be
- The value of _2 _2 _4256+2 _ 2 2 is
- If a,b,c 0 and belongs to the set 0,1,2,3, ,9 , then _ 10 ( a+10b+10^2c 10^ -4 a+10^ -3 b+10^ -2 c ) is equal to
- 7^ 2 _75 is equal to
- If _5 _5 _2x=0, then the value of x is
- If 2^x 3^ x+4 =7^x, then x is equal to
- The solution of _ 99 _2( _3x) =0 is
- The value of 7 _2 16 15 +5 _2 25 24 +3 _2 81 80 is
- If x= _ba, y= _cb, z= _ac, then xyz is
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