Permutations and combinations - Quantitative Aptitude (MCQ) questions for Q. 28899

Q.  A bank has 6 digit account number with no repetition of digits within a account number. The first and last digit of the account numbers is fixed to be 4 and 7. How many such account numbers are possible?
- Published on 27 Mar 17

a. 10080
b. 5040
c. 890
d. 1680

ANSWER: 1680
 
permutation combination

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