Question : The site of birth [nativity] of Gautam Buddha is marked by :
 

Option 1: a monastery

Option 2: a "Rummindel Pillar" Ashok Maurya

Option 3: a statue

Option 4: a Peepal tree

Question : The iron pillar at Mehrauli, Delhi, belonged to which of the following Gupta rulers?

Option 1: Skandagupta

Option 2: Samudragupta

Option 3: Kumaragupta

Option 4: Chandragupta II

Question : The angle of elevation of the top of the pillar from the foot and the top of a building 20 m high, are 60° and 30°, respectively. The height of the pillar is:

Option 1: $10$ m

Option 2: $10\sqrt{3}$ m

Option 3: $60$ m

Option 4: $30$ m

Question : If the angle of elevation of the top of a pillar from the ground level is raised from 30° to 60°, the length of the shadow of a pillar of height $50\sqrt{3}$ metres will be decreased by:

Option 1: 60 metres

Option 2: 75 metres

Option 3: 100 metres

Option 4: 50 metres

Question : The angle of elevation of the top of an unfinished pillar at a point 150 metres from its base is 30°. The height (in metres) that the pillar raised so that its angle of elevation at the same point may be 45°, is:

Option 1: 63.4

Option 2: 86.6

Option 3: 126.8

Option 4: 173.2