Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
8.9k views
in Number System by (51.6k points)
closed by

Calculate: 

1 – 2 + 3 – 4 + 5 – 6 + 7 – 8 + 9 – 10

2 Answers

+1 vote
by (49.9k points)
selected by
 
Best answer

1 – 2 + 3 – 4 + 5 – 6 + 7 –8 + 9 – 10 

= (1 – 2) + (3 – 4 ) + (5 – 6) + (7 – 8) + (9 – 10) 

= (–1) + ( –1) + (–1) + (–1) + (–1) 

= –5.

0 votes
by (49.9k points)

1 – 2 + 3 – 4 + 5 – 6 + 7 – 8 + 9 – 10 

= (1 + 3 + 5 + 7 + 9) – (2 + 4 + 6 + 8 + 10) 

= 25 – 30 

= –5.

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...