The number of different license plates that can be formed in the format 3 English letters (A.....Z) followed by 4 digits ( 0,1 , ......9) with repetitions allowed in letters and digits is equal to
Correct Option is A. Practice regular variations of this Permutation and Combination concept to build speed and accuracy.
Reinforce your conceptual grasp with related questions from NIMCET 2011:
Take timed full-length mock tests with authentic question distributions, negative marking (+12/-3 in Math), and instant All India Rank calculation.
Start Free Mock Test Series →