Question

How many lakhs make one billion​?

Answer 1

Estimate the number of lakhs:

One lakh can be written as, $1,00,000$.

One billion can be written as $1,000,000,000$.

$\therefore$The number of $1,00,000$ that make $1,000,000,000$ are

$=\frac{1,000,000,000}{1,00,000}$

$=10,000$

Hence, ten thousand lakhs make one billion.