581: Zero was invented by

(a) Aryabhata

(b) Varahamihira

(c) Bhaskara I

(d) an unknown Indian
582: The name of the poet Kalidasa is mentioned in the

(a) Allahabad pillar inscription

(b) Aihole inscription

(c) Alapadu grant

(d) Hanumakonda inscription
583: The Raga which is sung early in the morning is

(a) Todi

(b) Darbari

(c) Bhopali

(d) Bhimpalasi
584: Right to vote and to be elected in India is a

(a) Fundamental Right
(b) Natural Right
(c) Constitutional Right
(d) Legal Right
585: Which one of the following shows the correct sequence of occurrence of four towns/ cities as one proceeds from west to east?

(a) Ajmer, Darbhanga, Kohima, Silchar

(b) Surat, Wardha, Rourkela, Bharuch

(c) Pandharpur, Gulbarga, Kottagudam, Visakhapatnam

(d) Anand, Rajkot, Dhanbad, Aizawl