Simplify: 3/5 + 1/2 = ?

If you face West and turn 270° clockwise, you face:

In a pictograph, 1 symbol = 40 books. School A has 7 symbols, B has 3. How many more books has A than B?

Average of 18, 24, 30, 36, 42 is:

6 workers finish a job in 21 days. Days needed by 9 workers (same rate) are:

A bus covers 300 km in 3 hours. Speed is:

A rectangular field is 42 m by 24 m. A 2 m path is built inside along the border. Area of the path is:

A square park of side 44 m is fenced with poles 4 m apart. Poles needed (including corners) are:

A journey of 1 h 35 min starts at 5:20. Arrival time is:

A clock shows 3:30. The smaller angle between the hands is:

4 km 130 m = ? metres