in Quantitative Aptitude recategorized by
171 views
0 votes
0 votes

If $8v-3u=5uv \: \:  \& \: \: 6v-5u=-2uv$ then $31u+46v$ is:

  1. $44$
  2. $42$
  3. $33$
  4. $55$
in Quantitative Aptitude recategorized by
12.6k points
171 views

1 Answer

0 votes
0 votes

Answer is A.

Divide the equation by uv and then put (1/u=x) and (1/v=y) and solve for x and y. Then put the values in thequestion and you will get the answer.

 

3.0k 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