Jump to content
ChetanaSforum
payelbiswas

Aptitude Question

Recommended Posts

The cost of a diamond varies directly as the square of its weight. A diamond is broken into 4 pieces with weights in the ratio 1:2:3:4. When the pieces were sold the merchant got Rs. 105,000 less than the original price of the diamond. What is the original price of the diamond?A. Rs. 1.5 lakhB. Rs. 2.0 lakhC. Rs. 1.0 lakhD. Rs. 2.1 lakh

Share this post


Link to post
Share on other sites

Let price of diamond as kx^2 where k is a contant 

total price for 4 pieces 

kx^2[1+4+9+16]=30kx^2 

price of original diamond=100kx^2 

difference 70kx^2=$70000 or kx^2=1000 

original price of the diamond=100*1000=100000 

So the answer is Rs.100000
 

 

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now



×