How many different number-plates for cars can be made if each number-plate contains four
of the digits 0 to 9 followed by a letter A to Z,
(a) no repetition of digits is allowed?
(b) repetition of digits is allowed?
Answers
Answered by
2
Answer:
b is answer .....it will help u dear
Answered by
2
Answer:
Step-by-step explanation:
a)
Ans : 26! x 10p4 x 10p3 x 10p2 x 10p1
b)
Ans: 26! x 10p4 x 9p3 x 8p2 x 7p1
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