Simplify: 4/5 + 1/4 = ?

Turning 135° from North towards East, you face:

In a pictograph, 1 symbol = 50 books. School A has 9 symbols, B has 3. How many more books has A than B?

Average of 20, 26, 32, 38, 44 is:

16 workers finish a job in 15 days. Days needed by 12 workers (same rate) are:

A bus covers 360 km in 3 hours. Speed is:

A rectangular field is 46 m by 26 m. A 2 m path is built inside along the border. Area of the path is:

A square park of side 52 m is fenced with poles 4 m apart. Poles needed (including corners) are:

A journey of 1 h 45 min starts at 3:40. Arrival time is:

A clock shows 5:40. The smaller angle between the hands is:

2 km 160 m = ? metres