Simplify: 7/10 + 1/5 = ?

A man faces North-East and turns 90° anti-clockwise. He now faces:

In a pictograph, 1 symbol = 60 books. School A has 8 symbols, B has 3. How many more books has A than B?

Average of 22, 28, 34, 40, 46 is:

20 workers finish a job in 21 days. Days needed by 14 workers (same rate) are:

A bus covers 420 km in 3 hours. Speed is:

A rectangular field is 50 m by 28 m. A 2 m path is built inside along the border. Area of the path is:

A square park of side 60 m is fenced with poles 4 m apart. Poles needed (including corners) are:

A journey of 1 h 40 min starts at 5:30. Arrival time is:

A clock shows 2:30. The smaller angle between the hands is:

4 km 190 m = ? metres