CBSE Class 7 Maths Large Numbers Around Us (Class 7 NCERT New) Quiz 14

1. In the Indian system, what is the number name for 345000543 written with commas as 34,50,00,543?

A Thirty-four crore fifty lakh five hundred forty-three B Three hundred forty-five crore five hundred forty-three C Thirty-four crore five lakh five hundred forty-three D Thirty-four million five hundred thousand five hundred forty-three

2. In the Indian system, what is the number name for 1020304050 written with commas as 1,02,03,04,050?

A One hundred two crore three lakh four thousand fifty B One billion twenty million three hundred four thousand fifty C One hundred two crore thirty lakh forty thousand fifty D Ten crore twenty lakh thirty thousand four hundred fifty

3. Write the following in Indian place value notation: One crore one lakh one thousand ten

A 1,01,01,010 B 1,10,10,010 C 1,00,11,01,010 D 10,10,10,010

4. Write the following in Indian place value notation: One billion one million one thousand one

A 1,00,10,01,001 B 10,01,00,001 C 1,01,00,10,001 D 1,10,00,01,001

5. Write the following in Indian place value notation: Ten crore twenty lakh thirty thousand forty

A 10,20,30,040 B 1,02,03,004 C 10,02,30,040 D 10,20,03,040

6. Write the following in Indian place value notation: Nine billion eighty million seven hundred thousand six hundred forty-five

A 9,08,07,00,645 B 90,80,70,0645 C 9,80,70,00,645 D 9,08,70,00,645

7. According to the rounding discussion, in which situation is rounding up more appropriate?

A Ordering sweets for a school with 732 people: say about 750 sweets B Quoting Rs 470 as about Rs 450 C Stating Chintamani’s population 76,068 as about 75,000 D Dialling an emergency helpline number

8. All five nearest neighbours (nearest thousand, ten thousand, lakh, ten lakh, and crore) of a mystery number are 5,00,00,000. Which of the following could be that number?

A 4,99,99,400 B 4,99,99,750 C 5,00,00,750 D 5,00,01,000

9. For the same mystery number whose five nearest neighbours are all 5,00,00,000, how many whole numbers satisfy this condition?

A 100 B 500 C 1000 D 5000

10. Roxie and Estu estimate 4,63,128 + 4,19,682. Roxie says: “The sum is near 8,00,000 and is more than 8,00,000.” Estu says: “The sum is near 9,00,000 and is less than 9,00,000.” Whose estimate is closer to the actual sum?

A Roxie B Estu C Both equally close D Neither