Answer:

Step-by-step explanation:

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Let the CP of 1 ball be x.

Therefore ,CP of 15 balls=15x

Now ,SP of 25 balls=25x

Given, CP of 15 balls = SP of 25 balls

So,15x=25x

As, CP < SP, there is a loss.

Loss=SP-CP=25x-15x=10x

Loss Percentage=Loss/CP×100

= (10x/15x)×100

=40%

Answer:

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Step-by-step explanation:

Let the cost price of 1 ball be x.

Then the cost price of 15 balls is 15x.

Given that the selling price of 25 balls is equal to the cost price of 15 balls.

Let the selling price of 1 ball be y.

Then the selling price of 25 balls is 25y.

We know that 25y = 15x.

Solving for y, we get:

y = (15/25) * x

y = (3/5) * x

So, the selling price of 1 ball is (3/5) times the cost price of 1 ball.

Profit percentage is given by:

Profit percentage = (Profit / Cost price) * 100

We know that the profit is (Selling price - Cost price)

Profit percentage = [(25y - 15x) / (15x)] * 100

Substituting y = (3/5) * x, we get:

Profit percentage = [(25 * (3/5) * x) - 15x) / (15x)] * 100

Profit percentage = (30/3) * 100

Profit percentage = 1000/3

Profit percentage = 333.33%

Therefore, the profit percentage is 333.33%.