You have five pieces of chain, each consisting of three links. You want to make one long chain of these five pieces. Breaking open a link costs 1 rs, and welding an open link costs 3 rs. Is it possible to make one long chain of the five pieces, if you have just 15 rs?
Answers
Answer:
Step-by-step explanation:
It can be done only in 12 rs becouse it consists of 3 cuts and 3 Belding.now we have to see how's it possible,each peice contains 3 links form First we seperate all 3links and weld each link with each chain .
Answer:
Yes, it's possible.
Step-by-step explanation:
Given:- We have 5 pieces of chain.
Each chain consists of 3 links.
Cost of opening a link = Rs.1
Cost of welding an open link = Rs.3
To Find:- If it's possible to make one long chain of 5 pieces.
Solution:-
Let's number the chains as 1, 2, 3, 4, 5 each one of them having three links.
Now let's take chain 1 and break open all 3 links.
As we know, Cost of opening each link = Rs.1
∴ Cost of opening 3 links = 3 × 1 = Rs.3
Now take one open link and use it to connect chain 2 and chain 3.
Cost of welding = Rs.3
Now again using one open link connect chain 3 and chain 4.
Cost of welding = Rs.3
Now using the last open link to connect chain 4 and chain 5.
Cost of welding = Rs.3
Total cost = Cost of opening 3 links + 3(cost of welding open links)
= 3 + 3 + 3 + 3 = 15.
Hence, It is possible to make one long chain of 5 pieces in just Rs.15.
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