Pick up the correct statement from the following :

Most weather resisting metamorphic rock is 

Who was the prime minister when the republic was declared? 

The depletion allowance method of computing depletion is commonly known as ______. 

Cross hairs in surveying telescopes, are fitted 

24:48::58:? 

The shape of test piece is 

If   P :        it struck meQ : of courseR : suitable it wasS :  …