Question : Supersonic jets cause thinning of which layer?

Option 1: O₂ layer

Option 2: O₃ layer

Option 3: CO₂ layer

Option 4: SO₂ layer

Question : According to the Census of India 2011, Identify the third largest spoken language in India.

Option 1: Tamil

Option 2: Marathi

Option 3: Bengali

Option 4: Hindi

Question : Directions: Arrange the following words as per order in the dictionary.
1. Centre
2. Center
3. Central
4. Centrum

Option 1: 2, 1, 3, 4

Option 2: 2, 3, 4, 1

Option 3: 3, 2, 1, 4

Option 4: 2, 3, 1, 4

Question : Directions: Arrange the following words as per the order in the dictionary.
1. Application
2. Apoapses
3. Apophis
4. Appeared

Option 1: 1, 2, 3, 4

Option 2: 2, 3, 4, 1

Option 3: 4, 3, 2, 1

Option 4: 3, 4, 2, 1

Question : If $W_{1}:W_{2}= 2:3$ and $W_{1}:W_{3}= 1:2$, then $W_{2}:W_{3}$ is:

Option 1: 3 : 4

Option 2: 4 : 3

Option 3: 2 : 3

Option 4: 4 : 5