Vinay Sharma and H K Thakur Solutions for Chapter: Knowing Our Numbers, Exercise 1: SELF PRACTICE 1.1

$1$ ten$=$_____ ones.

$1$ hundred $=$_____ tens.

$1$ thousand$=$_____ hundreds.

$1$ ten-crore$=$_____ crores.

Place commas correctly and write the numerals:
Four crore thirty five lakh twenty one thousand five hundred and three.

Place the commas correctly and write in the numerals:

Seven crore seventy lakh fifty thousand six hundred and one.

Insert commas suitably and write the names according to Indian system of numeration:
$96485342$ .

Insert commas suitably and write the name the according to Indian system of numeration:

$72524809.$