NCERT Class 6 Mathematics First Chapter Knowing Our Numbers Exercise 1.1 Solution
EXERCISE 1.1
(1) 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.
(2) 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. = 9,05,00041
(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 = 58,423,202
(e) Twenty three lakh thirty thousand ten = 23, 30, 010
(3) Insert commas suitably and write the names according to Indian System of Numeration:
(a) 8, 75, 95, 762 = Eighty corer Seventy five lakh ninety five thousand seven hundred sixty two.
(b) 85, 46, 283 = Eighty five lakh forty six thousand two hundred eighty three.
(c) 9, 99, 00046 = Nine crore ninety nine thousand forty six
(d) 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 Numeration:
(a) 78, 921, 092 = Seventy eight million nine hundred twenty one thousand ninety two
(b) 7, 452, 283 = Seven million four hundred fifty two thousand two hundred eighty three
(c) 99, 985, 102 = Ninety nine million nine hundred eighty five thousand one hundred two
(d) 48, 049, 831 = Forty eight million forty nine thousand eight hundred thirty one
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