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

Photosynthesis

Photosynthesis: Photosynthesis is simply defined as “ formation of carbohydrates from CO2 and H2O by illuminated green cells of plants, O2 and H2O by being the byproducts”. In other words,...

Anjali J.

0 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

Repeated learning

When you learn something and even if you are thorough, it is better to learn the same thing after a week or two. This will help you understand the topic well.

Saraswathi S.

0 0

English: Gerund

Gerund: A gerund (verb + ing) acts like a noun in a sentence: Seeing is believing. Running a marathon is not an easy thing to do. Watching TV is sometimes harmful. Eating is always fun. My...

Atharva

1 0

crossword for Algebra (Grade 7)

Across 3x^3 - 6x is a ............ polynomial A numerical quantity which is placed before variable in algebraic expression. The ............ of 35a2 is 5a. 4x2 +3 x -56 = 0 is algebraic .................. the...

Kartik Bhasin

0 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

Who conducts the GMAT?

5 Answers

What are the application fees for the GMAT in India?

5 Answers

Hi All, If I take up GMAT exam now, will the GMAT score remain valid after two years for admission? Thank You Tony

28 Answers

Hello, how many questions are asked in the GMAT Verbal section? regards Nish

29 Answers

Which are the best books to prepare for GMAT ? And how much time is ideal for the preparation ?

9 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.