NCERT Solutions for Class 6 Maths Chapter 1 Knowing Our Numbers Ex 1.1

NCERT Solutions for Class 6 Maths Chapter 1 Knowing Our Numbers Ex 1.1 are part of NCERT Solutions for Class 6 Maths. Here we have given NCERT Solutions for Class 6 Maths Chapter 1 Knowing Our Numbers Ex 1.1.

• Knowing Our Numbers Class 6 Ex 1.2
• Knowing Our Numbers Class 6 Ex 1.3

Board	CBSE
Textbook	NCERT
Class	Class 6
Subject	Maths
Chapter	Chapter 1
Chapter Name	Knowing Our Numbers
Exercise	Ex 1.1
Number of Questions Solved	4
Category	NCERT Solutions

NCERT Solutions for Class 6 Maths Chapter 1 Knowing Our Numbers Ex 1.1

Question 1.

Fill in the blanks:
(a) 1 lakh = …………………. ten thousand.
(b) 1 million = …………………. hundred thousand.
(c) 1 crore = …………………. ten lakh.
(d) 1 crore = …………………. million.
(e) 1 million = …………………. lakh.

Solution 1 :

(a) 1 lakh = ten ten thousand.
(b) 1 million = ten hundred thousand.
(c) 1 crore = ten ten lakh
(d) 1 crore = ten million
(e) 1 million = ten lakh

Question 2.

Place commas correctly and write the numerals :
(a) Seventy-three lakh seventy’ five thousand three hundred seven.
(b) Nine crore five lakh forty-one.
(c) Seven crores fifty-two lakh twenty-one thousand three hundred two.
(d) Fifty-eight million four hundred twenty-three thousand two hundred two.
(e) Twenty-three lakh thirty thousand ten.

Solution 2 :

(a) 73, 75, 307
(b) 9, 05, 00, 041
(c) 7, 52, 21, 302
(d) 58, 423, 202
(e) 23, 30, 010.

Question 3.

Insert commas suitably and write the names according to Indian System of Numeration :
(a) 87595762
(b) 8546283
(c)99900046
(d) 98432701

Solution 3 :

(a) 8, 75, 95, 762 

Eight crores seventy-five lakh ninety-five thousand seven hundred and sixty-two.

(b) 85, 46, 283 

Eighty-five lakh forty-six thousand two hundred and eighty-three.

(c) 9, 99, 00, 046

Nine crore ninety-nine lakh and forty-six.

(d) 9, 84, 32, 701 

Nine crore eighty-four lakh thirty-two thousand seven hundred and one.

Question 4.

Insert commas suitably and write the names according to International System of Numeration :

(a) 78921092
(b) 7452283
(c) 99985102
(d) 48049831

Solution 4 :

(a) 78, 921, 092 

Seventy-eight million nine hundred twenty-one thousand and ninety-two.

(b) 7, 452, 283

Seven million four hundred fifty-two thousand two hundred and eighty-three.

(c) 99, 985, 102 

Ninety-nine million nine hundred eighty-five thousand one hundred and two.

(d) 48, 049, 831

Forty-eight million forty-nine thousand eight hundred and thirty-one.

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