The metal itself is not toxic, but most of its salt is are it has a melting point of 961,8C, is highly ductile and malleable, and is widely used to make jewellery and ornaments.
A candidate who get d20% marks in an examination, falls by 30 marks but another candidate, who gets 32% marks, gets 42 marks more then the minimum pass marks. Find the pass percentage of marks:
