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Chapter 1

Number System — Exercise 1(E)

Class - 6 RS Aggarwal Mathematics Solutions



Exercise 1(E)

Question 1

Rewrite each of the following numbers with proper commas, using International place value chart :

(i) 1,64,839

(ii) 35,84,267

(iii) 57,93,64,021

(iv) 90,09,09,098

Also, write the number name of each in the International system.

Answer

(i) 1,64,839

Commas according to International number system: 164,839

164,839: One hundred sixty-four thousand eight hundred thirty-nine.

(ii) 35,84,267

Commas according to International number system: 3,584,267

3,584,267: Three million five hundred eighty-four thousand two hundred sixty-seven.

(iii) 57,93,64,021

Commas according to International number system: 579,364,021

579,364,021: Five hundred seventy-nine million three hundred sixty-four thousand twenty-one.

(iv) 90,09,09,098

Commas according to International number system: 900,909,098

900,909,098: Nine hundred million nine hundred nine thousand ninety-eight.

Question 2

Write the number name of each of the following numerals in the International system:

(i) 56,307,840

(ii) 519,250,086

(iii) 5,003,030

(iv) 67,010,206

(v) 101,011,110

(vi) 600,606,006

Answer

(i) 56,307,840

Fifty-six million three hundred seven thousand eight hundred forty.

(ii) 519,250,086

Five hundred nineteen million two hundred fifty thousand eighty-six.

(iii) 5,003,030

Five million three thousand thirty.

(iv) 67,010,206

Sixty-seven million ten thousand two hundred six.

(v) 101,011,110

One hundred one million eleven thousand one hundred ten.

(vi) 600,606,006

Six hundred million six hundred six thousand six.

Question 3

Write the numeral for each of the following in the International system :

(i) Forty million four hundred four thousand sixty four.

(ii) Sixty three million six hundred five thousand two.

(iii) Eight million eight thousand eight.

(iv) Nine hundred thirty four million eight hundred seventy three thousand five hundred six.

(v) Five hundred four million eight hundred seven thousand three hundred nineteen.

(vi) Seven hundred thirteen million nine hundred ten thousand eighteen.

(vii) Eighty million seventy thousand ten.

(viii) One hundred million one hundred thousand one hundred.

Answer

(i) Forty million four hundred four thousand sixty four = 40,404,064.

(ii) Sixty three million six hundred five thousand two = 63,605,002.

(iii) Eight million eight thousand eight = 8,008,008.

(iv) Nine hundred thirty four million eight hundred seventy three thousand five hundred six = 934,873,506.

(v) Five hundred four million eight hundred seven thousand three hundred nineteen = 504,807,319.

(vi) Seven hundred thirteen million nine hundred ten thousand eighteen = 713,910,018.

(vii) Eighty million seventy thousand ten = 80,070,010.

(viii) One hundred million one hundred thousand one hundred = 100,100,100.

Question 4

Write with commas and also write the number name of the numeral 695803704 in

(i) International system and

(ii) Hindu Arabic system.

Answer

The numeral is 695803704.

(i) International System

With Commas: 695,803,704

695,803,704: Six hundred ninety-five million eight hundred three thousand seven hundred four.

(ii) Hindu-Arabic (Indian) System

With Commas: 69,58,03,704

69,58,03,704: Sixty-nine crore fifty-eight lakh three thousand seven hundred four.

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