Chapter 1: Knowing Your Numbers
Q1. 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
Q2. 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 crore 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.
Q3. Insert commas suitable and write the names according to Indian system of numeration:
Eight crore seventy-five lakh ninety-five thousand seven hundred sixty-two.
Eight-five lakh forty-six thousand two hundred eighty-three.
Nine crore ninety-nine lakh forty-six.
Nine crore eighty-four lakh thirty-two thousand seven hundred one.
Q4. Insert commas suitable and write the names according to International system of numeration:
Seventy-eight million nine hundred twenty-one thousand ninety-two
Seven million four hundred fifty-two thousand two hundred eighty-three
Ninety-nine million nine hundred eighty-five thousand one hundred two
Forty-eight million forty-nine thousand eight hundred thirty-one