Answer: C) economy moves from trough to peak Explanation: Business cycles are identified as having four distinct phases: 1. Expansion, 2. Peak, 3. Contraction, and 4. Trough. Expansion is the phase of the business cycle when the economy moves from a trough to a peak. It is a period when the level of business activity surges and gross domestic product (GDP) expands until it reaches a peak. A period of expansion is also known as an economic recovery. An expansion is characterized by increasing employment, economic growth, and upward pressure on prices.

It has been said that the creation of NASA was due to the space exploration race between the US and the Soviet Union. One of the drives to the creation of NASA is the launching of Sputnik on October 4, 1957.   Since then, further explorations have been made by the agency.

Answer: C) 41 sec Explanation: Speed = 44 kmph x 5/18 = 110/9 m/s We know that, Time = distance/speed Time = (360 + 140) / (110/9) = 500 x 9/110 = 41 sec.

Answer: D) All the above Explanation: The study of statistics such as births, deaths, income, or the incidence of disease, which illustrate the changing structure of human populations.   In brief, Study of both quantitative and qualitative aspects of human population. 1. Quantitative aspects include composition, density, distribution, growth, movement, size, and structure of the population. 2. Qualitative aspects are the sociological factors such as education quality, crime, diet, development, nutrition, wealth and well being.

A Clock has a face, but no eyes. It has 3 hands i.e, hours, minutes and seconds hands but no arms.

Te Sun. From the time rising it goes around the house upto sunset, but never touches the house.

Answer: A) 10 days Explanation: For 30 days he receives 30 x 25 = 750                Actually he gets 425 Therefore, Fine is 750 - 425 =  325   => No of days absent = 325/(25+7.50)= 10

Answer: A) 100 π Explanation: 4/3 π x 10 x 10 x 10 = 8 x 4/3 π x r x r x rr = 54π x 5 x 5 = 100π