Skip to main content

Aptitude Day 339

Alligation or Mixture

Rules to be followed:

C. P of a unit quality of cheaper (c)                        C. P of a unit quality of dearer (d)
                                                        Mean Price (m)
                               (d-m)                                                             (m-c)


Cheaper quantity : Dearer quantity = (d-m) : (m-c).


Alligation: This rule enables us to find the ratio in which 2 or more ingredients at the given price must be mixed to produce a mixture of the desired price.


Mean Price: The cost price of a unit quantity of the mixture. 

Comments

Post a Comment

Popular posts from this blog

Aptitude Day 59

Answers of Day 58:     1. 1/90.     2. 20 Problems to solve: 1. The product of two numbers is 33 and the sum of their squares is 130. Find their difference. 2. The sum of two numbers is 100 and their difference is 20. Find their product.
Post a Comment
Read more

Aptitude Day 47

Problem On Numbers 1. Three numbers are in the ratio 1:2:3 and their average is 180. What's the largest number? Solution:                 Let the numbers be x, 2x and 3x.                 x+2x+3x = 180                          6x = 180                            x = 30                The largest number is 3x = 90. Problem to solve: Three numbers are in the ratio of 4:2:3 and their product is 648. Find the smallest number. 
Post a Comment
Read more