Question

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.
NCERT Solutions for Class 6th Mathematics Chapter 1 Exercise 1.1 Question 1

Answer 1

Indian numeral system the first comma is placed after 3 digits & after they are placed after every 2 digits.

For e.g : 1,23,45,67,890

International numeral system the first comma is placed after every three digits & after they are placed also after 3 digits.

For e.g: 1,234,567,890

a)
1 lakh = 1,00,000
Ten thousand= 10,000
1 lakh= 10 ten thousand

b)
1 million = 1,000,000
1 hundred thousand= 1,00,000
1 million = 10 hundred thousand

c)
1crore= 1,00,00,000
Ten lakh= 10,00,000
1 crore= 10 ten thousand

d)
1 crore= 1,00,00,000
1 million= 1000,000
1 crore = 10 million
_____________________________
Hope this will help you......

Answer 2

a) 1 lakh (1,00,000) = 10 ten thousand (because ten thousand = 10,000. So, 10 ten thousand = 10 * 10,000 = 1,00,000)

b) 1 million (1,000,000) = 10 hundred thousand (because hundred thousand = 100,000. So, 10 hundred thousand = 10 * 100,000 = 1,000,000)

c) 1 crore (1,00,00,000) = 10 ten lakh (because ten lakh = 10,00,000. So, 10 ten lakh = 10 * 10,00,000 = 1,00,00,000)

d) 1 crore (1,00,00,000) = 10 million (because one million = 1,000,000. So, 10 million = 10 * 100,000 = 1,00,00,000)

e) 1 million (1,000,000) = 10 lakh (because 1 lakh = 1,00,000. So, 10 lakh = 10 * 1,00,000 = 1,000,000)