Question

Write in numerals and words the largest $8$-digit number having four different digits in Indian system of numeration.

Answer 1

Step-1: Finding largest $8$-digit number having four different digits in Indian system of numeration:

While forming a largest number using given digits, arrange the number in descending order. If repetition is allowed, repeat the largest digit to form the largest number.

Largest four digits are $9,8,7,6$

Thus, the largest $8$-digit number having four different digits in Indian system of numeration is $9,99,99,876$.

Step-2: Expressing the largest $8$-digit number having four different digits in Indian system of numeration in words:

Thus, $9,99,99,876$ can be expressed in words as “Nine crore ninety-nine lakh ninety-nine thousand eight hundred seventy-six”.

Hence, $9,99,99,876$ is largest $8$-digit number and in words “Nine crore ninety-nine lakh ninety-nine thousand eight hundred seventy-six”.