Q1. Fill in the blanks:
(a) 1 lakh = 10 ten thousand.
(b) 1 million = 10 hundred thousand.
(c) 1 crore = 10 ten lakh.
(d) 1 crore = 10 million.
(e) 1 million = 10 lakh.
Q2. Place commas correctly and write the numerals:
(a) Seventy three lakh seventy five thousand three hundred seven-73,75,307
(b) Nine crore five lakh forty one-9,05,00,041
(c) Seven crore fifty two lakh twenty one thousand three hundred two-7,52,21,302
(d) Fifty eight million four hundred twenty three thousand two hundred two-5,84,23,202
(e) Twenty three lakh thirty thousand ten- 23,30,010
Q3. Insert commas suitably and write the names according to Indian System of Numeration:
87595762 – Eight crore seventy five lakh ninety five thousand seven hundred sixty two
8546283 – Eighty five lakh forty six thousand two hundred eighty three
99900046 – Nine crore ninety nine lakh forty six
98432701 – Nine crore eighty four lakh thirty two thousand seven hundred one
Q4. Insert commas suitably and write the names according to International System of Numeration:
(a) 78921092 – Seventy eight million nine hundred twenty one thousand ninety two
(b) 7452283 – Seven million four hundred fifty-two thousand two hundred eighty three
(c) 99985102 – Ninety-nine million nine hundred eighty five thousand one hundred two
(d) 48049831 – Forty-eight million forty-nine thousand eight hundred thirty-one
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