If the cost of a pen is rs. 32.50, find the cost of 24 such pens.

Answer

To find the cost of 24 pens when the cost of one pen is Rs. 32.50, we can follow these steps:

### Step 1: Identify the cost of one pen.
The cost of one pen is given as Rs. 32.50.

### Step 2: Set up the multiplication.
To find the total cost of 24 pens, we need to multiply the cost of one pen by the number of pens:
\[ \text{Total Cost} = \text{Cost of one pen} \times \text{Number of pens} \]
\[ \text{Total Cost} = 32.50 \times 24 \]

### Step 3: Multiply the numbers.
To simplify the multiplication, we can first remove the decimal from 32.50 by multiplying both numbers by 100:
\[ 32.50 \times 24 = \frac{32.50 \times 100}{100} \times 24 = \frac{3250 \times 24}{100} \]

Now, we calculate \(3250 \times 24\):
\[ 3250 \times 24 = 78000 \]

### Step 4: Divide by 100 to account for the decimal.
Now we need to divide the result by 100 to get the final cost:
\[ \text{Total Cost} = \frac{78000}{100} = 780 \]

### Conclusion:
The cost of 24 pens is Rs. 780.

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