true

Take GMAT Coaching from the Best Tutors

Affordable fees
1-1 or Group class
Flexible Timings
Verified Tutors

Search in

Short - Cut For Squaring Two-Digit Numbers [May Also Be Extended To Three-Digit And Four-Digit Numbers As Well]

Intellect Growth Management

31/05/2017 0 0

Square of a two-digit number:

Quick Method:

(82)²= 6404

32 [8*2*2] ==> 8 and 2 from original number itself and another 2 from the power of 82 i.e. 2

6724

Likewise for square of 79:

(79)²= 4981

126 [7*9*2]

6241 ==> Final Answer

Likewise for square of 63:

(63)²

= 3609

+ 36

= 3969 ==>Final Answer

0 Like 0 Dislike

Follow 0

Other Lessons for You

Memorising Formulae

First understand the derivation of the formula. Summarise all the formulaes on a paper and carry it where ever you go in the pocket. You need not open and learn them. Just make sure you see them when ever you get sometime .

Varsha

0 0

'LEARN well to EARN good'

>>when you are young, first lEARN then EARN.!

Koustubh K.

1 0

गुण सन्धि

गुण सन्‍धि (आद् गुुण:)— यदि 'अ' या 'आ' के बाद 'इ' या 'ई' आए। दोनों के स्‍थान पर ए एकादेश हो जाता है। इसी तरह यदि 'अ' या 'आ' के बाद 'उ' या 'ऊ' आए तो दोनों के स्‍थान पर 'ओ' एकादेश...

Arun

2 0

Being a parrot to get marks may put you in trouble in near future

Never become a parrot just to bring good marks at home. Today you will get 100 but it will lead you towards the life with full of struggle to build a good career. Always try to understand the concept and...

Anuradha S.

0 0

Some Definitions About Cha-1 Numbers

Face Value: The face value of a digit is always the digit itself. Face value of 2 in 52,58,963 is 2 only. Place Value: Place value of a digit depends on the place it occupies in the place value chart.The...

Rahul G.

1 0

Find GMAT Coaching classes near you

Online GMAT Coaching

Looking for GMAT Coaching classes?

Learn from Best Tutors on UrbanPro.

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you

GMAT Coaching Questions

How to crack GMAT easily ?

22 Answers

For how long are gmat scores valid?

7 Answers

Is it necessary to give a GMAT for a permanent resident of Canada?

6 Answers

Which is better for an MBA, IELTS or GMAT?

6 Answers

What is GMAT?

5 Answers

Looking for GMAT Coaching Classes?

The best tutors for GMAT Coaching Classes are on UrbanPro

Select the best Tutor
Book & Attend a Free Demo
Pay and start Learning

Migrate

Class

Subject

Chapter

Migrate to

Concept Solution

Migration Successful

Take GMAT Coaching with the Best Tutors

The best Tutors for GMAT Coaching Classes are on UrbanPro

I am a Student I am a Tutor
Name*	Please enter your full name. Please enter institute name.
Email*	Please enter your email address.
Phone*	Please enter a valid phone number.
Location*	Please enter a pincode or area name.
City*	Please enter city name.
Category*	Please enter category.
Gender*	Male Female Please select your gender.
Email ID/ Mobile No.*	Please enter either mobile no. or email.
Enter Password*	Please enter OTP Please enter Password Sorry, this phone number is not verified, Please login with your email Id.