Which country on 23 October 2017 signed the Paris agreement on climate change, leaving the United States and Syria as the only two countries holding outto sign this global climate pact?
Which of the statements given below is/are not correct? 1. 'Open' is an Autobiography of Andre Agassi. 2. The author of 'India 2020: A Vision for the New Millennium'A.P.J. Abdul Kalam. 3. The author of 'A Foreign Policy For India' is L.K Advani.
If a chord of a circle subtends an angle of 30° at the circumference of the circle, then what is the ratio of the radius of the circle and the length of the chord respectively?