Question : What will happen to the level of water in a vessel when a piece of ice floating in it melts?

Option 1: Decreases

Option 2: Increases

Option 3: Remains same

Option 4: First increases and then decreases

Question : When power is shared among different organs of government, it is known as ________. 

Option 1: community government 

Option 2: separation of powers

Option 3: coalition government 

Option 4: amalgamation of powers

Question : Pressure cooker cooks faster because:

Option 1: The boiling point decreases with the rise in pressure.

Option 2: It cooks the food at low pressure.

Option 3: A higher temperature is attained for cooking.

Option 4: The material of the cooker is a good conductor.

Question : If in any water body, there is a high BOD value then it is generally _____.

Option 1: very clean

Option 2: very polluted

Option 3: highly productive

Option 4: highly unproductive

Question : Directions: Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it? 
S_NX_MNX_MN_SM_X

Option 1: MSSXN

Option 2: NXYMS

Option 3: NMXXN

Option 4: SMNXX