0

Guest

Courses New

if p arithmetic means are inserted between 5 and 41 so that the ratio A3/Ap-1= 2/5 . Find p

if p arithmetic means are inserted between 5 and 41 so that the ratio A3/Ap-1= 2/5 . Find p

Grade:11

1 Answers

Himanshu Rathour
119 Points
5 years ago
If p terms are there between 5 and 41 the common difference d=41-5 =36/p+1
                         p+1
A3=5+3(36/p+1)
Ap-1=5+(p-1)(36/p+1)
    A3         =     5p+5+108            =  2
   Ap-1            5p+5+36+36p           5
p=9

Think You Can Provide A Better Answer ?

Other Related Questions on Algebra

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More