Aptitude - Profit and Loss - Discussion

Nice explanations. Thank you all.

Guys!
Check the question, how much did they sell 17 balls for?? Rs.720? Correct.

So now you know how much 17 balls cost, which is 720 bucks.
17=720.

Now,
when you sell 17 balls for 720 rupees, but the question clearly says you face a loss of '5 balls profit'.

How come? So how much does a ball exactly cost?

Lets do one thing,

Selling 17 for 720 but the loss of 5, we will minus the 5 with the 17, so,

17-5 = 12.
12 is our profit for 720. which is, 720=12!!

So,
Cost of 1 ball *12=720
Cost of 1 ball = 720/12
Cost of 1 ball = 60.

Thanks @Ashish.

Let,
Cost price of 1 ball is x.
so, cost price of 5 balls = 5x,
and cost price of 17 balls = 17x.

In case of selling goods at loss,
Selling price+loss= Cost price.
=> 720+5x = 17x.
=> 12x = 720.
=> x = 60.

Ans: Cost price of each ball is 60.

Well said @Manasa.

Excellent explanation, Thanks @Manasa.

I agree with you, Thanks @Manasa.

Thanks @Manasa.

From the given info by adding 5 balls cp to the 17 balls sp which is 720, we will get cp of 17 balls.

Let X be cp of one ball.
= 720+5x = 17x,
12x = 720,
X = 60.

@Kiran.

It is 720/17 not 720/12 for the S. P of 1 ball.