541. Which is the shortest air-route from Perth to London?
Perth; Aden; Paris; London
542. Who is the inventor of World Wide Web?
Tim Berners Lee
543. After howmany years is Finance Commission constituted by the President?
Every five years
544. Who is the author of “Gift of Wings”?
Shanthi Gopala
545. Who is the author of My India ?
S Nihal Singh
546. What is the range of Prithvi III, the naval version of Prithvi ?
250 km-300 km
547. Which state receives rainfall from north-east monsoons?
Tamil Nadu
548. "Crossing the Threshold of Hope" "Gift and Mystery" “Roman Tryptych Meditations" "Rise up Let us Go"; "Memory and Identity" are the books written by?
Pope John Paul II
549. Which Boat Race is known as the king among water festivals?
Nehru Trophy Boat Race
550. Where is the special court for the trial of Essential Commodities Act cases located?