Math madnness?

Question

Math madnness?

1) In the number 7^1000 what is the digit in the unit place

2) Find 3 Consecutive even integer have sum of 150? can you find 3 Consecutive odd integer that add up to 150

3)Find the smallest whole number that when dived by 5, 7, 9 and 11 respectively give remainders 1,2,3 and 4.

4) what is the sum of the first 100 positive odd integer

6) how many time can circle touch a square

5) If m Ø n = m^2 -6mn+3n^3 what is -2 Ø 3?

Answer 1

1. 1

2. 48,50,52 <- even; Can't make 3 consecutive odd integers equal an even number

3. ---

4. 10,000

5. ---

6.