Question : According to the World Bank, what was the density of the population of Sri Lanka in 2020?

Option 1: 554 persons per sq. km

Option 2: 300 persons per sq. km

Option 3: 354 persons per sq. km

Option 4: 364 persons per sq. km

Question : Direction: A man takes 6 kms distance to go around the rectangular area. If the area of the rectangle is 2 sq. km. Find the difference between length and breadth.

Option 1: 2 km

Option 2: 0.5 km

Option 3: 1 km

Option 4: 0.75 km

Question : The total surface area of a hemisphere is 41.58 sq. cm. Find its curved surface area.

Option 1: 27.72 sq. cm.

Option 2: 55.44 sq. cm.

Option 3: 9.24 sq. cm.

Option 4: 13.86 sq. cm.

Question : As per the Census data, what was the density of population in India in 2011?

Option 1: 822 persons/sq. km

Option 2: 382 persons/sq. km

Option 3: 328 persons/sq. km

Option 4: 282 persons/sq. km

Question : Direction: Ram and Ravi start together from a point in opposite direction in scooters. Ram's speed is 21 km/h and Ravi's speed is 15 km/h. What will be the distance between them after 20 minutes?
 

Option 1: 25 km

Option 2: 16 km

Option 3: 12 km

Option 4: 45 km