CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

If the sum of the series 54+51+48+..... is 513, then the number of terms are

A
18
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
20
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
17
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
None of these
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is D 18
Sum of an AP = n2(2a+(n1)×d) = 513
where a=54 and d=3
n2(2×54+(n1)×(3)) = 513
n2(1113n) = 513
111n3n2=1026
Solving for n,
n=18

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Arithmetic Progression
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon