Let's solve each question one by one with clear explanations.
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6. If you round off 3784587 to the nearest hundred, you will get _________.
- To round to the
nearest hundred, look at the
tens digit.
- The number is:
3,784,587
- The
hundreds digit is
5 (in 587), and the
tens digit is
8.
- Since the tens digit (8) ≥ 5, we
round up the hundreds place.
- So, 587 → 600
- Therefore, 3,784,587 becomes
3,784,600
✔ Answer: C. 3784600
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7. Successor of 1 million is _____________.
- 1 million = 1,000,000
- The
successor means the next number after it.
- So, successor = 1,000,000 + 1 =
1,000,001
✔ Answer: B. 1000001
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8. Number of zeroes in 60 million are _____________.
- 1 million = 1,000,000 → has
6 zeros
- So, 60 million = 60,000,000 → write it out:
- 60,000,000 → count the zeros:
7 zeros (after the 6 and 0)
✔ Answer: C. 7
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9. Place value of 3 in 11,38,970 is _____________.
- Write the number:
11,38,970
- Let's break it down using Indian numbering system:
- Crores | Lakhs | Thousands | Ones
- 11,38,970 = 11 lakhs, 38 thousand, 970
- The digit
3 is in the
ten thousands place.
- Because: 38,970 → 3 is in the
ten thousand place (3 × 10,000 = 30,000)
- So, place value is
Ten thousand
✔ Answer: A. Ten thousand
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10. 10 lakh is equal to _____________.
- 1 lakh = 100,000
- So, 10 lakh = 10 × 100,000 =
1,000,000
- 1,000,000 =
One million
✔ Answer: A. One million
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11. One billion has _________ number of zeroes.
- 1 billion = 1,000,000,000
- Count the zeros: 1 followed by
9 zeros
✔ Answer: C. 9
---
12. MM stands for _________________.
- In Roman numerals:
- M = 1000
- MM = 1000 + 1000 =
2000
✔ Answer: B. 2000
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✔ Final Answers:
| Question | Answer |
|--------|--------|
| 6 | C. 3784600 |
| 7 | B. 1000001 |
| 8 | C. 7 |
| 9 | A. Ten thousand |
| 10 | A. One million |
| 11 | C. 9 |
| 12 | B. 2000 |
Let me know if you'd like these explained in simpler terms or need help with any other questions!
Parent Tip: Review the logic above to help your child master the concept of 5th grade math olympiad worksheet.
