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

Difference Between Vitamin D and Vitamin D3

1. Vitamin D is manufactured by both plants and animals. Vitamin D3 is particularly found on the skin of animals, as a byproduct of synthesis.2. Vitamin D is not beneficial in all its forms. Vitamin D2,...

Debraj Paul

0 0

Essay on Denominations in India

Denominations "A surgical strike against Corruption" On the evening of 8th November 2016, Prime Minister Narendra Modi made an unprecedented speech on national television stating all currency notes of...

Sudhansu Bhushan Roy

0 0

Difference Between Ohms And Watts

Ohm means Resistance Resistance is the property of a material to resist an electrical current flowing through it. The measuring unit of this resistance is called the ohm which is represented as the omega...

Debraj Paul

0 0

How to find the cube root if it is a perfect one ?

1) Starting from the extreme right, put a comma for each three digits.2) Compare the last digit of the number with the following table. Cube 1=1; cube 2=8 ; cube 3=27 ; cube 4=64 ; cube 5=125 ; Cube...

Debraj Paul

0 0

Reflection Of Light (Questions)

Reflection of Light Rays on a Reflecting Surface: When a light ray strikes a surface separating two media with different optical properties, part of the light energy is reflected back to the media where...

Soumi R.

2 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

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

6 Answers

I am reappearing for the GMAT.Is 30 days enough to score high on the exam?

12 Answers

If I am comfortable with CAT Quant, do I need to put in any effort for GMAT quant? Also, if yes, is there...

25 Answers

Which is the best way for preparing for GMAT ?

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

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.