Advertisements
Advertisements
प्रश्न
Find the number of 4-digit numbers that can be formed using the digits 1, 2, 4, 5, 6, 8 if digits can be repeated
बेरीज
Advertisements
उत्तर
A 4 digit number is to be made from the digits 1, 2, 4, 5, 6, 8 such that digits can be repeated.
∴ Unit’s place digit can be filled in 6 ways.
10’s place digit can be filled in 6 ways.
100’s place digit can be filled in 6 ways.
1000’s place digit can be filled in 6 ways.
∴ total number of numbers
= 6 × 6 × 6 × 6
= 64
= 1296
∴ 1296 four-digit numbers can be formed if repetition of digits is allowed.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
