Code is to be formed by taking 2 letters from vowels of English alphabets followed by 3 digits chosen from 1, 2, 3 or 4. How many ways this code can be made if repetition is allowed.
Asked by Topperlearning User | 4th Jun, 2014, 01:23: PM
Here vowels can be arranged in 5 5=25 ways
Digits can be arranged in 444=64 ways
So, total arrangements of the codes are 2564=1600.
Answered by | 4th Jun, 2014, 03:23: PM
Kindly Sign up for a personalised experience
- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions
Verify mobile number
Enter the OTP sent to your number