Home » Bank Exam Tips » Shortcut Tricks to Find Squares of Any Number– Speed Maths Tricks

Shortcut Tricks to Find Squares of Any Number– Speed Maths Tricks

Shortcut Tricks to Find Squares of Any Number – Speed Maths Tricks.

Today we are going to discuss the shortcut tricks to find the square of any number within a fraction of seconds by understanding the below technique.

These calculation tricks will also make it possible to do all the calculations in your mind without using paper and pen.

To find a square of any number. At first, have to know to find duplex values of one digit number, 2 digit number, 3 digit numbers and so on.

Duplex (D) Values:
D (a) = a2Eg: D (7) = 72 = 49.

D (ab) = 2ab.  Eg: D (27) = 2 × 2 × 7 = 49.

D (abc) = 2ac + b2. Eg: D (752) = (2×7×2) + 52.

D (abcd) = 2ad + 2bc.
D (abcde) = 2ae + 2bd + c2.

Find the squares of below numbers:

I. (14)2

D (1) | D (14) | D (4)
1     |   8       |    16  
(Combining above numbers from right to left and carry forward extra)
Answer: 196.

II. (37)2
D (3) | D (37) | D (7)
  9     |   42      | 49.   
(Combining above numbers from right to left and carry forward extra)
Answer: 1369.

III. (264)2
D (2) | D (26) |D (264) |D (64) |D (4)
4 | (16+36) | 52   | 48 | 16.
Answer: 69696.

 IV. (3425)2
 D(3) | D(34) | D(342) | D(425) | D(25) | D(5)
9       | 24     |   28       | 46         | 20     | 25

                    (Combining above numbers from right to left and carry forward extra)                                                       
 17730625

 Practice  Some More:
(a) (76)2.
(b) (86)2.
(c) (354)2.
(d) (437)2



About SivaLeela

I am SivaLeela completed MCA. Blogging and Digital Marketing is my passion. In this blog, We are updating Latest Government Job Notifications and various useful Study materials - Speed Maths Tricks, Aptitude, Reasoning, Data Interpretation Tricks, Current Affairs Questions, General Awareness, Banking Awareness helpful to crack Bank Exams and other Competitive Exams in India @www.bankexamtips.in.

Check Also

Multiply Big Numbers Ending With 5 in Less than 5 Seconds | Multiplication Tricks

Multiply Big Numbers Ending With 5 in Less than 5 Seconds | Multiplication Tricks Learning …

Shortcuts for Multiplication of 2 Digit Numbers and 3 Digit Numbers

Shortcuts for Multiplication of 2 Digit Numbers and 3 Digit Numbers

Shortcuts for Multiplication of 2 Digit Numbers and 3 Digit Numbers In every competitive exam, …

Leave a Reply

Your email address will not be published.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

13 + 14 =