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# Banking Exam Preparation (IBPS Examination) – “MULTIPLICATION” Part III

Banking Exam Preparation (IBPS Examination) – “MULTIPLICATION” Part III

Multiply by 7

Double the each digit of number and add half of next digit and 5 for each odd digit and 0 for each even digit.

 1 2 3 4 5 Main Number Double 1 Odd/Even ½ of next digit 2+3+4 0 0 0 4 4 8 16 0 2 18 4 8 0 1 9 3 6 5 0 11 1 2 5 4 11 8 16 0 0 16

Banking Exam Preparation (IBPS Examination) – “MULTIPLICATION” Part III

Multiply by 8

Minus each digit from 9 but unit digit from 10 and add next digit and minus 2 from first digit of finding

 1 2 3 4 5 Main Number Minus 9/10 Double 2 Next Digit 3+4 0 0 0 8 8 8 1 2 4 6 4 5 10 8 18 8 1 2 7 9 7 2 4 5 9 5 5 10 0 10

Minus 2 from first digit = 8 – 2 = 6

Banking Exam Preparation (IBPS Examination) – “MULTIPLICATION” Part III

Multiply by 9

Method 1

Multiply the number by 10 and minus the number

E.g.         7149 x 9

7149 x (10 – 1)

7149 x 10 – 7149 x 1

71490 – 7149

64341

Method 2

Minus each digit from 9 but unit digit from 10 and add next digit after that minus 1 from the first digit of finding.

 1 2 3 4 Main Number Minus 9/10 Next Digit 2+3 0 0 7 7 7 2 1 3 1 8 4 12 4 5 9 14 9 1 0 1

Minus 1 from first digit 7 – 1 = 6

Banking Exam Preparation (IBPS Examination) – “MULTIPLICATION” Part III

Multiply by 11

Method 1

Multiply the number from 10 and add the number.

E.g.         7142 x 11

7142 x (10 + 1)

7142 x 10 + 7142 x 1

71420 + 7142

78562

Method 2

First and last digit of number will be first and last digit of answer. After that paste the sum of two digit between them. Carry forward second digit to next digit.

E.g.         7142 x 11

7 2

7+1, 1+4, 4+2

8, 5, 6

78562

Banking Exam Preparation (IBPS Examination) – “MULTIPLICATION” Part III

You can also find

Banking Exam Preparation – “Square and Square Root”

BANKING EXAM PREPARATION – CUBE AND CUBE ROOT

Banking Exam Preparation – ADDITION and SUBTRACTION Part I

Banking Exam Preparation – ADDITION and SUBTRACTION Part II

Banking Exam Preparation – ADDITION and SUBTRACTION Part III

Banking Exam Preparation – “MULTIPLICATION” Part I