Question

Represent the largest 6-digit number that can be formed by using any one digit twice, from digits 6, 4, 2, 3 and 5 in Indian system of numeration.

• A. 66,54,32
• B. None of the above
• C. 6,56,432
• D. 6,65,432

Answer 1

The correct option is D 6,65,432

The digits given are, 6, 5, 2, 3 and 4.
To make the largest six digit number, 6 must be repeated twice and the digits should be arranged from bigger to smaller. Hence, the required number will be 665432.
In Indian number system it can be written as 6,65,432.
Hence, the option B is correct.