CBSE Class 7 Maths Large Numbers Around Us (Class 7 NCERT New) Quiz 9

1. According to the 2011 Census, the population of the town of Chintamani was about 75,000. How much less than one lakh is 75,000?

A 15,000 less B 20,000 less C 25,000 less D 30,000 less

2. The estimated population of Chintamani in the year 2024 is 1,06,000. How much more than one lakh is 1,06,000?

A 4,000 more B 5,000 more C 6,000 more D 10,000 more

3. By how much did the population of Chintamani increase from 2011 (75,000) to 2024 (1,06,000)?

A 21,000 B 26,000 C 31,000 D 36,000

4. Look at the illustrated comparison: Somu is 1 metre tall; the Statue of Unity is about 180 metres; each floor of Somu’s building is about four times Somu’s height. Which is taller—the Statue of Unity or Somu’s building? About how many times taller is it?

A The building is taller; about 2 times B The Statue is taller; about 3 times C The Statue is taller; about 4 times D They are about the same height

5. How much taller is the Kunchikal waterfall (about 450 metres) than Somu’s building if the Statue of Unity (about 180 metres) is close to four times the height of Somu’s building?

A About 360 m taller B About 270 m taller C About 405 m taller D About 450 m taller

6. Approximately how many floors would Somu’s building need to be as high as the 450 metre waterfall, if each floor is about 4 metres?

A About 90 floors B About 113 floors C About 180 floors D About 225 floors

7. If living one lakh days would mean living for about 274 years (ignoring leap years), what does this suggest about the size of one lakh?

A It is a very large number B It is a very small number C It is about the same as a hundred D It is smaller than a thousand

8. Write the number 3,00,600 in words in the Indian place value system.

A three lakh six hundred B three lakh six thousand C thirty lakh six hundred D three lakhs sixty thousand six hundred

9. Write the number 5,04,085 in words in the Indian place value system.

A five lakh four thousand eighty five B five lakh forty thousand eighty five C fifty lakh four thousand eighty five D five lakhs four hundred eighty five

10. Write the number 27,30,000 in words in the Indian place value system.

A twenty seven lakh thirty thousand B two crore seventy three thousand C twenty seven thousand three hundred D two lakh seventy three thousand