CA Final Download the best Free CA FINAL android app for cracking your exam! Download Now

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

1

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).

2

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

23456

Main Number

Minus 9/10Double 2Odd/Even½ of next digit

3+4+5

0

00022
451003

13

6

36017

3

6125219
54853

16

7365

0

11

 

3

339071
Now Minus 2 from first digit 3 – 2 = 1
Answer is 139071

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

234

5

Main Number

Minus 9/10Odd/Even½ of next digit

2+3+4

0

0011

3

65314

7

252

9

4504

9

8102

3

5

550

10

4
Now minus 1 from first digit 2 – 1 = 1
Answer is 149940

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

23

4

Main Number

Odd/Even½ of next digit

2+3

0

033
754

9

8

022
401

1

3

549
950

5

Now answer is 392195

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

23

4

Main Number

Odd/Even½ of next digit

1+2+3

0

033
754

16

9

5418
803

11

7

50

12

5

 

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

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

Leave a comment

Your email address will not be published. Required fields are marked *