If each interior angle is doubled of each exterior angle of a regular polygon with n sides, then the value of n is 

Which country has officially started construction of the world's first commercial modular small reactor 'Linglong One' at its Changjiang Nuclear Power Plant?

Let ABCD be a quadrilateral. Let the diagonals AC and BD meet at O. Let the perpendicular drawn from A to CD meet CD at E. Further, AO: OC = BO: OD, AB = 30 cm. CD = 40 cm. and the area of the quadrilateral ABCD is 1050 cm². What is BE equal to?

Which country's Kurtha was successfully test-fired on 18th July between Jayanagar in India?

World Emoji Day is celebrated on which of the following day?

A train 300 m. long is running with a speed of 54 km/hr. In what time will it cross a telephone pole?

Recently which batsman has become the first player in the world to score 14 centuries (fastest) in 81 innings?

Cost of two articles were in the ratio of 16: 23. The cost of first article increases by 10% and that of second by Rs.477. Now the costs of two articles are in the ratio of 11: 20. The price of the second article (in Rs.) in the beginning was-