[Revenue Patwari Pre Aug, 2021]

1. The angle between the minute hand and the hour hand of a clock when the time is 4.20, is :

[Revenue Patwari Pre Aug, 2021]

2. How many times do the hands of a clock coincide in a day?

[Revenue Patwari Pre Aug, 2021]

3. The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling along the boundary of the park at the speed of 12 km/hr completes one round in 8 minutes, then the area of the park (in sq. m) is:

[Revenue Patwari Pre Aug, 2021]

4. A garden is 24 m long and 14 m wide. There is a path 1 m wide outside the garden along its sides. If the path is to be constructed with square marble tiles 20 cm x 20 cm, the number of tiles required to cover the path is :

[Revenue Patwari Pre Aug, 2021]

5. It is required to construct a big rectangle hall to accommodate 500 persons, allowing 22.5 m space per person. The height of the hall to be kept at 7.5 m, while the total inner surface area of the walls must be 1200 m². Then the length and breadth of the hall respectively are :