Simplify: \( (25 \div 5) \times(12-8)+15 \). Now, swap the division and subtraction operations and simplify again. the results the same? Why or why not?

2074 Q.No. 1 A person drives a car between the two places \( x \) and \( y \). On his outward joumey he onsumes 8 km per liter of petrol, on his return journey he covers 12 km per liter. Find the verage of his mileage assuming the distance between the two places to be 100 kms .

Round the number 45.678 to the nearest hundredth.

8. Evaluate \( \sqrt{98.29}+(2.475)^{2} \)

2. Max made 39 snowballs. Lucy made 35 more snowballs than Max. How many snowballs do Max and Lucy have altogether?

What is the greatest common factor for the numbers 24, 36, and 60?