Exercise 1.1 - Chapter 1 Knowing our numbers class 6 ncert solutions Maths - SaraNextGen [2024-2025]

Updated By SaraNextGen

On April 24, 2024, 11:35 AM

Question 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.

Answer:

(a) lakh = ten thousand

(1 lakh = 1,00,000 and ten thousand = 10,000)

(b) 1 million = hundred thousand

(1 million = 1,000,000 and 1 hundred thousand = 1, 00,000)

(c) 1 crore =  ten lakh

(1 crore = 1,00,00,000 and Ten lakh = 10,00,000)

(d) 1 crore =  million

(1 crore = 1,00,00,000 and 1 million = 1,000,000)

(e) 1 million =   lakh

(1 million = 1,000,000 and 1 lakh = 1,00,000)

Question 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 two.

(d). Fifty eight million four hundred twenty three thousand two hundred two.

(e). Twenty three lakh thirty thousand ten.

Answer:

(a) 73,75,307

(b) 9,05,00,041

(c) 7,52,21,302

(d) 58,423,202

(e) 23,30,010

Question 3:

Insert commas suitably and write the names according to Indian System of Numeration:

(a). 87595762 (b). 8546283

(c). 99900046 (d). 98432701

Answer:

(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

Question 4:

Insert commas suitably and write the names according to International System of Numeration:

(a). 78921092 (b). 7452283

(c). 99985102 (c). 48049831

Answer:

(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