ANOTHER EXAMPLE ::
Click here to see how two numbers like 68 and 62 be
multiplied in less than a fraction of time
More topics discussed inside the book ::
- Shortcuts in doing multiplication.
- Multiplication of 2 digits with 2 digits in single line (e.g. 68 X 79)
- Multiplication of 3 digits with 3 digits in single line (e.g. 458 X 746)
- Multiplication with 11 (e.g. 12453 X 11 - see example in Hyper Link)
- Tricks to make multiplication simple (e.g. 124 X 18 )
- Division
- Divisibility rules for 2, 3, 4, 5, 6, 8 and 11
- A unique way to find out divisibility by 7 and 13 in the
minimum possible time
(e.g. to see whether 451245786 is divisible by 7 or 13 in just 10 seconds) - Divisibility rules extended to know divisibility by 15, 18, 33, 45 etc
- Working with Fractions
- Finding
=?
in less than 2 Seconds
- Finding
- Finding Squares.
- Squares of numbers having 5 as last digit (e.g. 12.52)
- Finding Square Roots.
- Square root of whole numbers (e.g. square root of 15625)
- Square root of numbers with decimals (e.g. square root of 0.4)
- Square root of mixed numbers (e.g. square root of 156.25)
- Finding Percentage with least effort
- e.g. 7 is what percent of 0.21
- Finding 0.5 is what percent of 0.075 in less than (10 Seconds
- Time and Work problems simplified.
- If 8 men, working 6 hours a day, can make 12 dolls then how many men, working 8 hours a day can make 24 dolls?
- Use of Algebra for speedy calculations.
- Evaluating 892 - 882 =? in less than 2 Seconds
- e.g. finding 8092 with the help of algebra
- And Much more...
After going through the methods mentioned in the book, you will be able to comprehend the problems very easily and your calculating speed is bound to enhance.