Real Number Quiz 4

If $log_{10}3$ = 0.4771, then the value of log 15 + log 2 =

The value of $\sqrt{\frac{x}{y}+2+\frac{y}{x}}$ =

$\sqrt3 +\sqrt5$ is a ………

If a + b = 5, ab = 6, then $a^3+b^3$ =

2 log 3 – 3 log 2 =

$log_2\,(log_{25}\,5)=$

If $a^x=(\frac {a}{k})^y=k^m \,then \, \frac{1}{x}-\frac{1}{y}=$

The H.C.F. of the numbers $3^7\times5^3\times2^4$ and $3^2\times7^4\times2^8$ is .............

The expanded form of log $\frac{343}{125}$ is ...............

The value of $log_{10}\,{0.01}$ is .............