S.chand composite class 6 Mathematics Chapter 1 Numbers Exercise 1C

 EXERCISE 1 C

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QUESTION 1

Read the following numbers in the International system of numeration and write in words

(i) 53,673

Sol :

Fifty three thousand six hundred seventy three

(ii) 430,057

Sol :

Four hundred thirty thousand fifty seven

(iii) 78,823,761

Sol :

Seventy eight million eight hundred twenty three thousand seven hundred sixty one

(iv) 600,003

Sol :

Six hundred thousand three

(v) 1,369,864,005

Sol :

One billion three hundred twelve million five thousand four hundred fifty nine

(vi) 80,112,005,459

Sol :

Eighty billion ne hundred twelve million five thousand four hundred fifty nine

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QUESTION 2

Write the numerals for the following numbers.

(i) Six hundred six thousand seven hundred twelve

Sol :

606712

(ii) Four million eight hundred thirteen thousand three hundred .

Sol :

4813300

(iii) Eight hundred nine million eight thousand seven

Sol :

809008007

(iv) Three billion eighteen million nine hundred one thousand seventeen

Sol :

3018901017

(v) Sixteen billion f‌ive hundred nineteen million nine hundred thirteen thousand seven hundred two

Sol :

One billion three hundred sixty nine million eight hundred sixty four thousand five

(vi) Thirty-eight billion five hundred thousand forty-eight

Sol :

Eighty billion one hundred twelve million five thousand four hundred fifty nine

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QUESTION 3

Write the compact numeral for 8000000 + 50000 + 90 + 9 using the international system of numeration  . Also write the number name .

Sol :

8050099

Eight million fifty thousand ninety nine

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QUESTION 4

Write three consecutive whole numbers just preceding 729,001

Sol :

728998 , 728999 ; 729000

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QUESTION 5

Write in numerals and words the largest 8-digit number having four different digits in the 

(i) Indian system of numeration

Sol :

99999876

Nine crore ninety nine lakh ninety nine thousand eight hundred seventy six

(ii) International system of numeration 

Sol :

99999876

Ninety nine million nine hundred ninety nine thousand eight hundred seventy six

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QUESTION 6

Match column A and column B

Column A	Column B
(i) Three hundred thousand	(a) Three crore
(ii) Three billion	(b) Thirty lakh
(iii) Thirty million	(c) Three hundred crore
(iv) Three million	(d) Three lakh

Sol :

(i)→d

(ii)→c

(iii)→a

(iv)→b

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