0 votes
0 votes

The sum of the seven numbers is $254.$ The average of first three is $25$ and that of the last three is $44.$ The fourth number is :

  1. $40$
  2. $47$
  3. $45$
  4. $48$
in Quantitative Aptitude edited by
12.0k points
26 views

1 Answer

0 votes
0 votes

Assume that $7$ number’s are $a,b,c,d,e,f,g$.Now according to the given information:

  • $a+b+c+d+e+f+g=254….(i)$
  • $a+b+c=25\times 3=75….(ii)$
  • $e+f+g=44\times3=132...(iii)$

substitute (ii),(iii) to (i),we get: $75+d+132=254\implies d=254-207=47$

Option (B) is correct.

 

4.7k points

Related questions

Quick search syntax
tags tag:apple
author user:martin
title title:apple
content content:apple
exclude -tag:apple
force match +apple
views views:100
score score:10
answers answers:2
is accepted isaccepted:true
is closed isclosed:true