NCERT Class 6 Solutions: Knowing Your Numbers (Chapter 1) Exercise 1.1 – Part 3

Q-3 Insert commas suitable and write the names according to Indian system of numeration:

  1. 87595762

  2. 8546283

  3. 99900046

  4. 98432701

Solution:

Following table shows how numerals are named in Indian system. Note that after 1000, commas are placed every 2 digits in the Indian system.

Table explaining the relationship between Indian and International system of numbering
Table comparing the Indian and International system and numbering with appropriate use of commas

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. 87585762

    Put 87595762 in Indian system of numeration and also write the names according indian system of numeration

    Put 87595762 in Indian System of Numeration

    Put 87595762 in Indian system of numeration and also write the names according indian system of numeration

    8,75,85,762=Eightycroreseventyfivelakhninetyfivethousandsevenhundredsixtytwo

  2. 8546283

    Put 8546283 in Indian system of numeration and also write the names according indian system of numeration

    Put 8546283 in Indian System of Numeration

    Put 8546283 in Indian system of numeration and also write the names according indian system of numeration

    85,46,283=Eightyfivelakhfortysixthousandtwohundredeightythree

  3. 99900046

    Put 99900046 in Indian system of numeration and also write the names according indian system of numeration

    Put 99900046 in Indian System of Numeration

    Put 99900046 in Indian system of numeration and also write the names according indian system of numeration

    9,99,00,046=Ninecroreninetyninelakhfortysix

  4. 98432701

    Put 98432701 in Indian system of numeration and also write the names according indian system of numeration

    Put 98432701 in Indian System of Numeration

    Put 98432701 in Indian system of numeration and also write the names according indian system of numeration

    9,84,32,701=Ninecroreeightyfourlakhthirtytwothousandsevenhundredone

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