It can be possible in only B.C. i.e, Before Christ. That was about 2000 years ago. Given In 1990 B.C = 2000 + 1990 = 3990 years ago, a person is 15 years Old => In 1995 B.C = 2000 + 1995 = 3995 years ago, the same person will be 10 years Old Therefore, In 2000 B.C = 2000 + 2000 = 4000 years ago, the same person will be 5 years Old.

The air around us is a mixture of gases, mainly nitrogen and oxygen, but containing much smaller amounts of water and other gases. Earth's atmosphere is composed of many gases. Their percentages by volume is given by::  78% Nitrogen, 21% Oxygen, 0.9% Argon, and 0.03% Carbon dioxide  And very small percentages of other elements.

Answer: A) 19th Augusrt Explanation:

Answer: A) 0 deg C Explanation: The freezing point of water and melting point is 0 °C or 32 °F. The temperature may be lower if supercooling occurs.

Answer: A) Rs. 3550 Explanation: Let the cost price of the article be 'P' Then from given data, P + 28P100 = 4544=> 128P = 454400=> P = 3550 Hence, the cost price of the article = P = Rs. 3550

Answer: A) Rs. 4050 Explanation: Let the ratio amount be 'p' 7p - 3p = 2700 4p = 2700 p = 675 R's Share = 675 × 6 = Rs. 4050

Answer: B) 30 Explanation: 332 + 3 = 12552 + 5 = 30

Answer: D) Dismiss Explanation: Commissioned means Authority granted for a particular action or function.   Here, in the given options Dismiss is the only word which is opposite in meaning to commissioned.   Hence, Antonym of  Commissioned is Dismiss.