Maths / Arithmetic Progression / Find The Value of Last Term when Sum of N Terms, Number of Terms and First Term are Given

QUESTION
 

If the first term and the common difference of an arithmetic progression is 4 and 8 respectively,which is its 15th term?

OPTIONS
A. 

121

B. 

116

C. 

118

D. 

210

Right Option : B

EXPLANATION
Explain TypeExplanation Content
Text

First term,a=4

common difference,d=8

We know n th term,T_n=a+(n-1)d

So, T_1_5=a+(15-1)d=4+14X8

=4+112=116

View Contents
(Concept based Learning and Testing for [6th - 10th], NTSE, Bank & Govt. Exams)
Self Learning
Testimonials
No Preview
PARENT RESPONSE c/o Hiya Gupta C/o ABHYAS Academy
 9th
My experience with abhyas is very good. It had helped to increase mental ability of my ward.
Back
Courses We Offer
(Concept based Learning and Testing for [6th - 10th], NTSE, Bank & Govt. Exams)