Question : The unit to measure the flow of water is

Option 1: Micromho

Option 2: Ohm metre

Option 3: Milli curie

Option 4: Cusec

Question : The basic unit of speed of an object is ______.

Option 1: metre per km (m/km)

Option 2: metre per hour (m/h)

Option 3: metre per second (m/s)

Option 4: metre per minute (m/m)

Question : Brine refers to:

Option 1: Salt water

Option 2: Sweet water

Option 3: Pure water

Option 4: Starch water

Question : A bottle holds 8 litres of a mixture of milk and water in a ratio of 3 : 1. 3 litres of water is added to the given mixture. Find the new ratio of milk and water in the mixture.

Option 1: 3 : 2

Option 2: 1 : 3

Option 3: 2 : 3

Option 4: 6 : 5

Question : The length of two parallel sides of a trapezium are 15 metres and 20 metres. If its height is 22 metres, then what is the area of the trapezium?

Option 1: 295 metre²

Option 2: 385 metre²

Option 3: 425 metre²

Option 4: 315 metre²

Question : In a mixture, water and milk are in the ratio of 2 : 3. What is the amount of water that is to be added to 20 kg of this mixture to make the ratio of water and milk in the new mixture 1 : 1?

Option 1: 3 kg

Option 2: 2 kg

Option 3: 4 kg

Option 4: 5 kg