Question

how many different 6-digit numbers greater than 500 000 can be formed using 1 , 5 , 7 ,7 ,7 ,8

Answer 1

u have the answer key..???

Answer 2

100

Answer 3

Yes...Got....it

Answer 4

How many ways u can arrange 1 , 5 , 7 ,7 ,7 ,8

Answer 5

6!/ 3!

Answer 6

6!/3! = 6*5*4 = 120

Answer 7

Nw .....it says that it should be greater than 500 000

Answer 8

so....the numbers shuld not start with 1

Answer 9

so...find the numebrs which start with 1

Answer 10

5!/3! = 5*4 = 20

Answer 11

so.......Total 120 - 20 = 100

Answer 12

got it thanks.

Answer 13

Welcome...