Question : Directions: Select the number that will replace the question mark (?) in the following series.
25, ?, 43, 67, 115, 211

Option 1: 33

Option 2: 31

Option 3: 30

Option 4: 37

Question : Ball pen functions on the principle of:

Option 1: Viscosity

Option 2: Boyle's law

Option 3: Gravitational force

Option 4: Surface tension

Question : Directions: In the following question, select the related number from the given alternatives.
42 : 20 :: 64 : ?

Option 1: 32

Option 2: 33

Option 3: 34

Option 4: 31

Question : _____ is the process by which rocks are broken down at the Earth's surface into sediments, clay, soils and substances that are dissolved in water.

Option 1: Loess

Option 2: Erosion

Option 3: Weathering

Option 4: Leaching

Question : Directions: The houses of five persons A, B, C, D and E are situated in such a way that A's house is 60 m to the north of E's house. D's house is 30 m to the west of E's house. B's house is 60 m to the north of C's house. C's house is 30 m to the west of D's house. In which direction is B's house with reference to A's house?

Option 1: East

Option 2: West

Option 3: North

Option 4: South