Study guides

☆

Q: What is the number of 5 digit telephone numbers having atleast one of their digits repeated?

Write your answer...

Submit

Still have questions?

Continue Learning about Math & Arithmetic

763920

6561

500

7

It is 120 if the digits cannot be repeated.

Related questions

763920

98,764

If the digits may not be repeated, there are 6x5x4x3x2x1 = 720 numbers, If digits can be repeated, the answer is 6x6x6x6x6x6 = 46,656 numbers If zero is ong the available digits but is excluded from the first place. 5x6x6x6x6x6=38,880 numbers

757

It is possible to create a 3-digit number, without repeated digits so the probability is 1.

There are 5*4*3 = 60 such numbers.

6561

24

500

7

With repeated digits, 43 = 64 Without repeated digits, 4*3*2 = 24

9x9x8x7x6x5x4x3 =1632960

People also asked