Quantitative Aptitude Ques 2474

Question: How many numbers consisting of 5 digits can be formed in which the digits 3, 4 and 7 are used only once and the digit 5 is used twice?

Options:

A) 30

B) 60

C) 45

D) 90

Show Answer

Answer:

Correct Answer: B

Solution:

  • Required number of numbers $ =\frac{5!}{2!}=60 $