**Whole Numbers**

**Solution 1**

**Solution 2**

**Solution 3**

**Solution 4**

**Solution 5**

**Solution 6**

Quantity of milk supplied in the morning = 32 litres

Quantity of milk supplied in the evening = 68 litres

Cost of milk per litre = Rs. 45

Total cost per day = 45 × (32 + 68)

= 45 × 100

= Rs. 4500

Therefore Rs. 4500 money is due to the vendor per day.

**Solution 7**