How many thousands make $10$ crores?

Express the numbers in powers of $10$

Given, $10$ crores

$\begin{array}{rcl}1crore& =& 1,00,00,000={10}^7\end{array}$

$\begin{array}{rcl}1thousand& =& 1000={10}^3\end{array}$

Number of thousands in $$$10crores=\frac{10\times {10}^7}{{10}^3}={10}^5$

Hence, there are ${10}^5$ or $1lakh$ thousands in $10crore$