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

Banking Exam Preparation (IBPS Exam) – “MULTIPLICATION” Part II

Multiply by 2

Method – 1

Direct multiply
Double each number and carry forward unit digit to next digit

Method – 2

Minus 5
Double each digit less than 5 (a) and double each digit more than 4 after minus 5 (b).
Add 1 to each digit before each (b).

Banking Exam Preparation (IBPS Exam) – “MULTIPLICATION” Part II

Multiply by 3

Step
1. Divide first digit by 2 and remove all digits after point.
2. Minus all digits from 9 but unit digit from 10.
3. We find a new number.
4. Double each digit of new number and add half of next main number’s digit (Ignore Digit after point).
5. Add extra 5 if main digit is odd and 0 if even.
6. Carry forward answer’s digit before unit digit to next digit.
7. Minus 2 from first digit of finding.

E.g.            46357 x 3
Step
1. 4/2 = 2
2. 9 – 4, 9 – 6, 9 – 3, 9 – 5, 10 – 7 = 53643
3. 53643
4. (5 x 2) + 6/2, (3 x 2) + 3/2. (6 x 2) + 5/2, (4 x 2) + 7/2, (3 x 2) + 0/2 = 13, 7, 14, 11, 6
5. 13 + 0, 7 + 0, 14 + 5, 11 + 5, 6 + 5
6. 13, 07, 19, 16, 11 = First digit 2 = 339071
7. Finding 339071 minus 2 from first digit = 1339071

 1 2 3 4 5 6 Main Number Minus 9/10 Double 2 Odd/Even ½ of next digit 3+4+5 0 0 0 0 2 2 4 5 10 0 3 13 6 3 6 0 1 7 3 6 12 5 2 19 5 4 8 5 3 16 7 3 6 5 0 11

339071
Now Minus 2 from first digit 3 – 2 = 1

Banking Exam Preparation (IBPS Exam) – “MULTIPLICATION” Part II

Multiply by 4

Same as multiply by 3 but after minus 9/10 not doubled numbers direct add half of next digit.
After finding minus 1 from first digit in place of 2.

E.g. 37485 x 4

 1 2 3 4 5 Main Number Minus 9/10 Odd/Even ½ of next digit 2+3+4 0 0 0 1 1 3 6 5 3 14 7 2 5 2 9 4 5 0 4 9 8 1 0 2 3 5 5 5 0 10

Now minus 1 from first digit 2 – 1 = 1

Banking Exam Preparation (IBPS Exam) – “MULTIPLICATION” Part II

Multiply by 5

1. Take 5 for each odd digit and 0 for each even digit. Now add half of next digit (ignore digits after point)
E.g.     78439 x 5

 1 2 3 4 Main Number Odd/Even ½ of next digit 2+3 0 0 3 3 7 5 4 9 8 0 2 2 4 0 1 1 3 5 4 9 9 5 0 5

2. Multiply by 10 and divide by 2.

E.g.       78439 x 5
78439 x 10 = 784390
784390/2 = 392195

Banking Exam Preparation (IBPS Exam) – “MULTIPLICATION” Part II

Multiply by 6

Write main each digit of main number and add 5 for each odd digit and 0 for each even digit also add half of next digit.

E.g.       7987 x 6

 1 2 3 4 Main Number Odd/Even ½ of next digit 1+2+3 0 0 3 3 7 5 4 16 9 5 4 18 8 0 3 11 7 5 0 12

Banking Exam Preparation (IBPS Exam) – “MULTIPLICATION” Part II

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