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
137 views
in Arithmetic Progression by (37.9k points)
closed by

Find the sum of the following AP:

0.6, 1.7, 2.8,…, to 100 terms.

1 Answer

+1 vote
by (36.5k points)
selected by
 
Best answer

Given A.P : 0.6, 1.7, 2.8,…. S100

a = 0.6; d = a2 – a1 = 1.7 – 0.6 = 1.1; n = 100 

Sn\(\frac{n}{2}\) [2a + (n – 1)d] 

∴ S100\(\frac{100 }{2}\) [2 × 0.6 + (100 – 1)1.1] 

= 50 [1.2 + 99 × 1.1] 

= 50 [1.2 + 108.9] 

= 50 × 110.1 

= 5505

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.

...