use your intelligence and write a problem to work out

Author Topic: use your intelligence and write a problem to work out  (Read 1771 times)

Offline jas_fluidm

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Re: use your intelligence and write a problem to work out
« Reply #15 on: April 19, 2013, 03:14:47 PM »
How many positive integers less than 500 can be formed using the numbers 1,2,3 and 5 for the digits?

Offline jas_fluidm

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Re: use your intelligence and write a problem to work out
« Reply #16 on: April 19, 2013, 03:22:26 PM »
Solution:
4+4*4+3*4*4=68

Offline jas_fluidm

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Re: use your intelligence and write a problem to work out
« Reply #17 on: April 19, 2013, 03:27:45 PM »
What is the remainder when 3^7 is divided by 8?
Ans: 3