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Ncert class 6 math free solution.

Exercise 1.1 

Q.1 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.

Q.1 Solution:
(a) 1 lakh = ten ten thousand.
(b) 1 million = ten hundred thousand.
(c) 1 crore = ten ten lakh
(d) 1 crore = ten million
(e) 1 million = ten lakh

Q.2.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 twoo?
(d) Fifty eight million four hundred twenty  three thousand two hundred two.
(e) Twenty three lakh thirty thousand ten.

Q.2 Solution:
(a) 73,75,307
(b) 9,05,00,041
(c) 7,52,21,302
(d) 58,423,202
(e) 23,30,010.

Q 3.  Insert commas suitably and write the names according to Indian System of Numeration ?

(a) 87595762
(b) 8546283
(c) 99900046
(d) 98432701

Q.3 Solution:

(a) 8,75,95,762 (Eight crore 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) 9,99,00,046 (Nine crore ninety-nine lakh forty six .

(d) 9,84,32,701 (Nine crore eighty-four lakh, thirty-two thousand seven hundred one).

Q 4.  Insert commas suitably and write the names according to International System of Numeration ? 

(a) 78921092
(b) 7452283
(c) 99985102
(d) 48049831

Q.4 Solution:
(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 twoo .
(d) 48,049,831 (Forty eight million forty nine thousand eight hundred thirty one)