(Class 8 – Ganita Prakash – Power Play, Large Numbers),
Ancient number names (Buddhist, Jaina, Pali texts)
Indian system of naming large numbers (Lakh, Crore, Arab …)
International/American system (Million, Billion, Trillion …)
Connection between the two systems (step of 100 vs step of 1000)
Prefixes in International system (bi, tri, quadri, quint, sext, sept …)
Special numbers (Googol, Googolplex, atoms in universe)
Currency examples (India, Zimbabwe, Hungary)
Mathematical representations (10² × 10³ = 10⁵ type expansion)
Historical importance (texts, mathematicians)
A. Ancient Traditions (Buddhist / Jaina / Pali)
1. In the Lalitavistara, “ayuta” represents:
a) 10⁷ b) 10⁹ c) 10¹¹ d) 10¹³
✔ b) 10⁹
2. 100 ayuta equals:
a) Niyuta b) Kankara c) Shankh d) Padma
✔ a) Niyuta (10¹¹)
3. 100 niyuta equals:
a) Kankara b) Tallakshana c) Sarvajna d) Arab
✔ a) Kankara (10¹³)
4. Lalitavistara names continue up to which power of 10?
a) 10²³ b) 10⁴⁷ c) 10⁵³ d) 10⁹⁶
✔ c) 10⁵³
5. Who gave a list of 24 terms (up to 10²³)?
a) Aryabhata b) Mahaviracharya c) Brahmagupta d) Bhaskara
✔ b) Mahaviracharya
6. Which Jaina treatise gives names up to 10⁹⁶?
a) Amalasiddhi b) Lalitavistara c) Ganita-sara-sangraha d) Asaṅkhyeya
✔ a) Amalasiddhi
7. Kāccāyana’s Pali grammar lists numbers up to:
a) 10⁹ b) 10²³ c) 10⁹⁶ d) 10¹⁴⁰
✔ d) 10¹⁴⁰
B. Indian Numbering System
8. 1 lakh =
a) 10³ b) 10⁵ c) 10⁶ d) 10⁷
✔ b) 10⁵
9. 1 crore =
a) 10⁵ b) 10⁶ c) 10⁷ d) 10⁹
✔ c) 10⁷
10. 1 arab =
a) 10⁷ b) 10⁹ c) 10¹¹ d) 10¹³
✔ b) 10⁹
11. 1 kharab =
a) 10⁹ b) 10¹¹ c) 10¹³ d) 10¹⁵
✔ b) 10¹¹
12. 1 neel =
a) 10¹³ b) 10¹⁵ c) 10¹⁷ d) 10¹⁹
✔ a) 10¹³
13. 1 padma =
a) 10¹³ b) 10¹⁵ c) 10¹⁷ d) 10¹⁹
✔ b) 10¹⁵
14. 1 shankh =
a) 10¹³ b) 10¹⁵ c) 10¹⁷ d) 10¹⁹
✔ c) 10¹⁷
15. 1 maha shankh =
a) 10¹³ b) 10¹⁷ c) 10¹⁹ d) 10²¹
✔ c) 10¹⁹
C. International / American System
16. 1 million =
a) 10⁵ b) 10⁶ c) 10⁷ d) 10⁸
✔ b) 10⁶
17. 1 billion =
a) 10⁶ b) 10⁹ c) 10¹² d) 10¹⁵
✔ b) 10⁹
18. 1 trillion =
a) 10⁹ b) 10¹² c) 10¹⁵ d) 10¹⁸
✔ b) 10¹²
19. 1 quadrillion =
a) 10¹² b) 10¹⁵ c) 10¹⁸ d) 10²¹
✔ b) 10¹⁵
20. 1 quintillion =
a) 10¹⁵ b) 10¹⁸ c) 10²¹ d) 10²⁴
✔ b) 10¹⁸
21. 1 sextillion =
a) 10²¹ b) 10²⁴ c) 10²⁷ d) 10³⁰
✔ a) 10²¹
22. 1 septillion =
a) 10²¹ b) 10²⁴ c) 10²⁷ d) 10³⁰
✔ b) 10²⁴
23. 1 octillion =
a) 10²⁴ b) 10²⁷ c) 10³⁰ d) 10³³
✔ b) 10²⁷
24. 1 nonillion =
a) 10²⁷ b) 10³⁰ c) 10³³ d) 10³⁶
✔ b) 10³⁰
25. 1 decillion =
a) 10³³ b) 10³⁶ c) 10³⁹ d) 10⁴²
✔ a) 10³³
D. Prefix Understanding
26. The prefix “bi-” in billion means:
a) 2 b) 3 c) 6 d) 9
✔ a) 2
27. The prefix “tri-” in trillion means:
a) 2 b) 3 c) 12 d) 9
✔ b) 3
28. “Quadri-” in quadrillion means:
a) 3 b) 4 c) 5 d) 6
✔ b) 4
29. “Quint-” in quintillion stands for:
a) 4 b) 5 c) 6 d) 7
✔ b) 5
30. “Sext-” in sextillion represents which power multiple?
a) 10¹² b) 10¹⁵ c) 10²¹ d) 10³⁰
✔ c) 10²¹
E. Special Numbers
31. A googol equals:
a) 10⁵³ b) 10¹⁰⁰ c) 10¹⁰⁰⁰ d) 10²¹
✔ b) 10¹⁰⁰
32. A googolplex equals:
a) 10¹⁰⁰
b) 10^(10¹⁰⁰)
c) 10²¹
d) 10¹⁴⁰
✔ b) 10^(10¹⁰⁰)
33. Estimated number of atoms in the universe is about:
a) 10⁵³ b) 10⁷⁸ – 10⁸² c) 10⁹⁶ d) 10¹⁴⁰
✔ b) 10⁷⁸ – 10⁸²
F. Currency and Real-World Examples
34. The highest Indian currency note today is:
a) ₹1000 b) ₹2000 c) ₹5000 d) ₹10,000
✔ b) ₹2000
35. Zimbabwe once issued a note of value:
a) 1 billion b) 100 trillion c) 1 quadrillion d) 1 sextillion
✔ b) 100 trillion (10¹⁴)
36. Hungary printed a note of value:
a) 10¹² b) 10¹⁴ c) 10²¹ d) 10³³
✔ c) 10²¹ (1 sextillion)
G. Mathematical Representations
37. 100 × 1000 =
a) 10³ b) 10⁵ c) 10⁶ d) 10⁷
✔ b) 10⁵
38. 10² × 10³ =
a) 10⁵ b) 10⁶ c) 10⁷ d) 10⁸
✔ a) 10⁵
39. 10² × 10⁵ =
a) 10⁷ b) 10⁹ c) 10¹⁰ d) 10¹¹
✔ a) 10⁷
40. 10² × 10⁷ =
a) 10⁸ b) 10⁹ c) 10¹⁰ d) 10¹¹
✔ b) 10⁹
41. 10³ × 10³ =
a) 10⁵ b) 10⁶ c) 10⁷ d) 10⁹
✔ b) 10⁶
42. 10³ × 10⁶ =
a) 10⁷ b) 10⁸ c) 10⁹ d) 10¹²
✔ c) 10⁹
43. 10³ × 10⁹ =
a) 10¹² b) 10¹³ c) 10¹⁴ d) 10¹⁵
✔ a) 10¹²
H. Conceptual Understanding
44. The difference between Indian and International systems is mainly:
a) Indian uses 1000 base, International uses 100 base
b) Indian uses 100 base, International uses 1000 base
c) Both same
d) None
✔ b) Indian = 100 base, International = 1000 base
45. In Indian system, “padma” corresponds to:
a) 10¹³ b) 10¹⁵ c) 10¹⁷ d) 10¹⁹
✔ b) 10¹⁵
46. The term “asaṅkhyeya” in Pali grammar corresponds to:
a) 10¹⁰⁰
b) 10¹⁴⁰
c) 10¹⁵
d) 10¹²
✔ b) 10¹⁴⁰
47. The term “dasha-ananta” in Amalasiddhi refers to:
a) 10²³ b) 10⁹⁶ c) 10¹⁴⁰ d) 10⁷⁸
✔ b) 10⁹⁶
48. In International system, “nonillion” is:
a) 10²⁷ b) 10³⁰ c) 10³³ d) 10³⁶
✔ b) 10³⁰
49. In Indian system, which comes immediately after crore?
a) Arab b) Kharab c) Neel d) Padma
✔ a) Arab
50. Which number is unimaginably larger than even a googol?
a) Shankh b) Googolplex c) Asaṅkhyeya d) Tallakshana
✔ b) Googolplex
