Answer: B) 40 Explanation: The third proportional of two numbers p and q is defined to be that number r such that p : q = q : r.   Here, required third proportional of 10 & 20, and let it be 'a' => 10 : 20 = 20 : a 10a = 20 x 20 => a = 40   Hence, third proportional of 10 & 20 is 40.

Answer: B) Decreasing pressure Explanation: A barometer is a tool that measures air pressure A rising barometer indicates increasing air pressure, a falling barometer indicates decreasing air pressure. In space, there is a nearly complete vacuum, so the air pressure is zero.

Answer: A) 5100 sq.m Explanation: Let the breadth of floor be 'b' m. Then, length of the floor is 'l = (b + 25)' Area of the rectangular floor = l x b = (b + 25) × b According to the question, (b + 15) (b + 8) = (b + 25) × b b2 + 8b + 15b + 120 = b2 + 25b 2b = 120 b = 60 m. l = b + 25 = 60 + 25 = 85 m.   Area of the floor = 85 × 60 = 5100 sq.m.

Answer: D) 2:1 Explanation: 5M + 2B = 4(1M + 1B) 5M + 2B = 4M + 4B 1M = 2B The required ratio of work done by a man and a boy = 2:1

Answer: C) Draft blueprint of the ASEAN Charter Explanation:

Implied powers are powers of U.S. government which have not been explicitly granted by the Constitution but that is implied by the necessary and proper clause to be delegated for the purpose of carrying out the enumerated powers.

Answer: C) Mr.Chandrababu Naidu Explanation: Andhra Pradesh Chief Minister Chandrababu Naidu has been selected for the  'Transformative Chief Minister Award 2017' in recognition for his role in advancing the US-India partnership at the state level.   ii. The award by the US-India Business Council (USIBC) would be presented to Mr. Naidu during the USIBC West Coast Summit in Bengaluru (the Silicon Valley) on May 8.     iii. Last year’s recipient of this award was Amitabh Kant, CEO of Niti Aayog.

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