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NCERT Class 6 Solutions: Knowing Your Numbers (Chapter 1) Exercise 1.1 β Part 1
Q-1 Fill in the blanks:
- 1 lakh ________ ten thousand
- 1 million ________ hundred thousand
- 1 crore ________ lakh
- 1 crore ________ million
- 1 million ________ lakh
Solution:
Refer the following table to understand the Indian system and how it is converted to International system of numbering.
Hindi | Indian figure | Powernotation | International figure | International Names |
---|---|---|---|---|
one | 1 | 100 | 1 | One |
ten | 10 | 101 | 10 | Ten |
one hundred | 100 | 102 | 100 | One hundred |
one thousand | 1,000 | 103 | 1,000 | One thousand |
ten thousand | 10,000 | 104 | 10,000 | Ten thousand |
one lakh (also lac) | 1,00, 000 | 105 | 100,000 | One hundred thousand |
ten lakh | 10,00, 000 | 106 | 1,000, 000 | One million |
one crore | 1,00, 00,000 | 107 | 10,000, 000 | Ten million |
ten crore | 10,00, 00,000 | 108 | 100,000, 000 | One hundred million |
one arab or one hundred crore | 1, 00,00, 00,000 | 109 | 1, 000,000, 000 | One billion |
ten arab | 10, 00,00, 00,000 | 1010 | 10, 000,000, 000 | Ten billion |
one kharab | 1, 00, 00,00, 00,000 | 1011 | 100, 000,000, 000 | One hundred billion |
ten kharab | 10, 00, 00,00, 00,000 | 1012 | 1, 000, 000,000, 000 | One trillion |
one neel | 1, 00, 00, 00,00, 00,000 | 1013 | 10, 000, 000,000, 000 | Ten trillion |
ten neel | 10, 00, 00, 00,00, 00,000 | 1014 | 100, 000, 000,000, 000 | One hundred trillion |
one padm | 1, 00, 00, 00, 00,00, 00,000 | 1015 | 1, 000, 000, 000,000, 000 | One quadrillion |
ten padm | 10, 00, 00, 00, 00,00, 00,000 | 1016 | 10, 000, 000, 000,000, 000 | Ten quadrillion |
one shankh | 1, 00, 00, 00, 00, 00,00, 00,000 | 1017 | 100, 000, 000, 000,000, 000 | One hundred quadrillion |
ten shankh | 10, 00, 00, 00, 00, 00,00, 00,000 | 1018 | 1, 000, 000, 000, 000,000, 000 | One quintillion |
- 1 lakh ten thousand
( And )
So,
- 1 million hundred thousand
( And )
So,
- 1 crore lakh
( And )
So,
- 1 crore million
( And )
- 1 million lakh
( And )
So,