Questions

From the given conditions ,

only A = 27 yrs satisfies.

India's most consistent middle-order batsman Cheteshwar Pujara stormed his way into record books after playing a marathon innings against Australia on fourth day of the third Test match
surpassing Rahul Dravid previous best of 495 balls. 

A DVD is an example of Optical Disc.

Charminar was built at the center of the Hyderabad city in Telangana state, to commemorate the eradication of Plague by Mohammed Quli Qutb Shah in early 1500's. 

It was built with Granite, imestone and Marble.

Waterloo

Veteran Bengali actor Soumitra Chatterjee has been selected for France’s highest civilian award “Legion of Honour” for his outstanding contribution to cinema and theatre. With this, Chatterjee has become the first Bengali actor to be chosen for the award. The honour comes almost 3 decades after the same recognition was conferred on master director Satyajit Ray in 1987. Chatterjee has acted in several of Ray’s films including ‘Apur Sansar’, ‘Debi’,’ Aranyer Din Ratri’, ‘Ghare Bairey’ and ‘Ganashatru’. Earlier recipients of the Legion of Honour include sitar meastro Pandit Ravi Shankar, Amitabh Bachaan, Shahrukh Khan and Kamal Hasan. Chatterjee was awarded the Dadasaheb Phalke Award in 2012.

(a) refers to political importance and (b) to economic importance. Out of (c) and (d), (c) is more important.