HOW TO EASILY DIVIDE A NUMBER BY 5

HOW TO EASILY DIVIDE A NUMBER BY 5

having problem in dividing a large number with 5 then follow this steps
Dividing a large number by five is actually very simple. All you do is multiply the numbar by 2 and move the decimal point
105 / 5
1-->: 105 * 2 = 2102-->: Move the decimal: 21.0 or just 21
2978 / 5
1-->: 2978 * 2 = 59562-->: 595.

HOW TO EASILY SQUARE A NUMBER ENDING WITH 5

HOW TO EASILY SQUARE A NUMBER ENDING WITH 5

If u want to square any 2 digit number ending with 5, u can do it just follow these steps1.Mulitply the first digit by itself + 1, and put 25 on the end. That is all u have to do
(25)^2 = (2x(2+1)) & 25
2 x 3 = 6
625

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Maths Magic

Maths Magic

via MASTI CAFE by SHRENIK SHAH on 5/27/08

:
111 / (1+1+1)=37
222 / (2+2+2)=37
333 / (3+3+3)=37
444 / (4+4+4)=37
555 / (5+5+5)=37
666 / (6+6+6)=37
777 / (7+7+7)=37
888 / (8+8+8)=37

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MATHS FUN

MATHS FUN

via MASTI CAFE by SHRENIK SHAH on 5/21/08

1 x 8 + 1 = 9
12 x 8 + 2 = 98
123 x 8 + 3 = 987
1234 x 8 + 4 = 9876
12345 x 8 + 5 = 98765
123456 x 8 + 6 = 987654
1234567 x 8 + 7 = 9876543
12345678 x 8 + 8 = 98765432
123456789 x 8 + 9 = 987654321
1 x 9 + 2 = 11
12 x 9 + 3 = 111
123 x 9 + 4 = 1111
1234 x 9 + 5 = 11111
12345 x 9 + 6 = 111111
123456 x 9 + 7 = 1111111
1234567 x 9 + 8 = 11111111
12345678 x 9 + 9 = 111111111
123456789 x 9 +10= 1111111111
9 x 9 + 7 = 88
98 x 9 + 6 = 888
987 x 9 + 5 = 8888
9876 x 9 + 4 = 88888
98765 x 9 + 3 = 888888
987654 x 9 + 2 = 8888888
9876543 x 9 + 1 = 88888888
98765432 x 9 + 0 = 888888888

1 x 1 = 1
11 x 11 = 121
111 x 111 = 12321
1111 x 1111 = 1234321
11111 x 11111 = 123454321
111111 x 111111 = 12345654321
1111111 x 1111111 = 1234567654321
11111111 x 11111111 = 123456787654321
111111111 x 111111111 = 12345678987654321