Question

The number $826315269$ can be written in international system of numerations as-
(A) Eight hundred twenty six million three hundred fifteen thousand two hundred sixty nine
(B) Eighty two crore sixty three lakh fifteen thousand two hundred sixty nine
(C) Eight two six lakh three one thousand fifty two hundred sixty nine
(D) none of these

Answer 1

Hint: To write the given number in the international system of numeration we need to follow a certain set of rules. As per the international system of numeration, the following rules are followed to write a number:
Rule $1$: we start by assigning commas from the right. After every three digits, a comma is inserted.
Rule $2$: as per the norms
3 Zeros represent thousand
6 Zeros represent million
9 Zeros represent billion

Complete Step by Step Solution:
Using the rules mentioned in the hint, we can write any number in the international system of numeration.
Given number = $826315269$
We will start by assigning commas from the right.
step$1$: after every three digits, a comma is inserted.
$826,315,269$
Step $2$: now, express it in words.
$826,315,269$= Eight hundred twenty six million three hundred fifteen thousand two hundred sixty nine
Hence, the number $826315269$ can be written in the international system of numerations as Eight hundred twenty six million three hundred fifteen thousand two hundred sixty nine.

Therefore, the correct answer is option (A).

Note:
let us understand the international system by using number $1$: ones ($1$), tens ($10$), hundreds $(100)$, thousands ($1000$), ten thousands ($10000$), hundred thousands ($100,000$), one million$(1,000,000)$, ten millions $(10,000,000)$, hundred millions $(100,000,000)$, etc. here, we just need to take care of the zeros.