CISCEICSE Class 8
Textbook Solutions7709
Important Solutions6
Question Bank Solutions6900
Concept Notes & Videos356
Syllabus
Advertisement Remove all ads

Without Doing the Actual Addition, Find the Sum Of: 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23 - Mathematics

Advertisement Remove all ads
Advertisement Remove all ads
Sum

Without doing the actual addition, find the sum of:

1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23

Advertisement Remove all ads

Solution

 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 +23

= Sum of first 12 odd natural numbers = 122 = 144

Concept: Properties of Square Numbers
  Is there an error in this question or solution?
Advertisement Remove all ads
Chapter 3: Squares and Square Root - Exercise 3 (C) [Page 45]
Q 13.1

APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 3 Squares and Square Root
Exercise 3 (C) | Q 13.1 | Page 45

Video TutorialsVIEW ALL [1]

Advertisement Remove all ads
Share
Notifications

View all notifications

My Profile

My Profile [view full profile]
Login
Create free account


      Forgot password?
Course
View in app×