EXERCISE 1.1
1.Fill in the blanks:
a) 1 lakh =……………………….ten thousand
b) 1 million =…………………..hundred thousand
c) 1 crore =……………………..ten lakhs
d) 1 crore =……………………..millions
e)1 million =…………………..lakhs
Ans.
a) (Ten) b) (Ten) c) (Ten) d) (Ten) e) (Ten)
2. Write the numerals and place commas correctly.
a) Seventy-three lakh seventy-five thousand three hundred and seven.
Ans. 73,75,307
b) Nine crore five lakh and forty one.
Ans. 9,05,00,041
c) Seven crore fifty-two lakh twenty-one thousand three hundred and two.
Ans. 7,52,21,302
d) Fifty-eight million four hundred twenty-three thousand two hundred and two.
Ans. 58,423,202.
e) Twenty-three lakh thirty thousand and ten
Ans. 23,30,010
3. Insert commas suitably and write the names according to Indian system of numeration.
a) 87595762
Ans. 8,75,95,762 – Eight crore seventy five lakh ninety five thousand seven hundred and sixty two.
b) 8546283
Ans. 85,46,283 – Eighty five lakh forty six thousand two hundred and eighty three.
c) 99900046
Ans. 9,99,00,046 – Nine crore ninety nine lakh and forty six.
d) 98432701
Ans. 9,84,32,701 – Nine crore eighty four lakh thirty two thousand seven hundred one.
4. Insert commas suitably and write the names according to International system of numerations
a) 78921092
Ans. 78,921,092 – Seventy eight million nine hundred twenty one thousand ninety two.
b)7452283
Ans.7,452,283 – Seven million four hundred fifty two thousand two hundred eighty three.
c) 99985102
Ans. 99,985,102 – Ninety nine million nine hundred eighty five thousand one hundred two.
d) 48049831
Ans. 48,049,831 – Forty eight million forty nine thousand eight hundred thirty one.