Age Calculation

Age Calculation

Age Calculation Tricks:

Step1:

Multiply the first number of the age by 5. (If <10, ex 5, consider it as 05. If it is >100, ex: 102, then take 10 as the first digit, 2 as the second one.)

Step2:

Add 3 to the result.

Step3:

Double the answer.

Step4:

Add the second digit of the number with the result.

Step5:

Subtract 6 from it.

Answer: That is your age.

Number 2519

Number 2519

2519 Mod n means the remainder of 2519/n, here / is the integer division.

2519 Mod n <

2519 Mod 2 = 1

2519 Mod 3 = 2

2519 Mod 4 = 3

2519 Mod 5 = 4

2519 Mod 6 = 5

2519 Mod 7 = 6

2519 Mod 8 = 7

2519 Mod 9 = 8

2519 Mod 10 = 9

Day of the Date

Day of the Date

Day of the Week:

January has 31 days. It means that every date in February will be 3 days later than the same date in January (28 is 4 weeks exactly). The below table is calculated in such a way. Remember this table which will help you to calculate.

January

0

February

3

March

3

April

6

May

Amazing Prime Numbers

Amazing Prime Numbers

Here are few amazing prime numbers, these prime numbers were proved by the XVIII^th century.

31

Square Number

Square Number

Tips 1: 2 Digit Number which ends in 5

Step1

Multiply the first digit of number, with the next to its number. Ex: 35 isthe number you want to square. 3 x 4 = 12

Step2

Finally add 25 at the end of the result.

Answer: 1225

Beauty of Mathematics

Beauty of Mathematics

Sequential Inputs of numbers with 8

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