Answer: D) 248 yrs Explanation: It takes 248 yrs for Pluto to orbit the Sun.

Answer: A) 15 days Explanation: In one day work done by K = 1/20 Work done by K in 2 days = 1/10   Work done by K,L,M on 3rd day =1/20 + 1/30 + 1/60 = 1/10 Therefore, workdone in 3 days is = 1/10 + 1/10 = 1/5   1/5th of the work will be completed at the end of 3 days. The remaining work = 1 - 1/5 = 4/5 1/5 of work is completed in 3 days Total work wiil be done in 3 x 5 = 15 days.

Answer: A) 30 Explanation: Then, A:B = 2:3 and B:C = 5:8= (5 x 3/5) : (8 x 3/5) = 3:24/5A:B:C = 2:3:24/5= 10:15:24 => B = 98 x 15/49 = 30.

Answer: B) 13.63% Explanation: Required % is given by    => 12100-12x100   = 1200/88   = 13.636%

Answer: C) forest improving to deserts Explanation: Desertification is a type of land degradation in which a relatively dry area of land becomes increasingly arid, typically losing its bodies of water as well as vegetation and wildlife.   Conversion of a grassland or an already arid land into a desert through indiscriminate human actions magnified by droughts.   Hence, forest improving to deserts is refers to desertification.

Answer: D) Green Thumb Explanation: The TATA Projects has launched unique “Green Thumb” initiative in India to promote green cover and to protect the environment on 2017 World Environment Day (WED). The Green Thumb 2017 is in continuation to 2016 TATA Projects’ programme wherein it aimed to get 10,000 people to click (pledge) to plant a sapling on their behalf – the response received was a tremendous 23,000. Encouraged by the response, TATA Projects planted a total of over 42,000 saplings across the country in over 100 locations in the last one year (2016-17). This year, under Green Thumb initiative, the company will plants trees, citizens who wish to do their bit to save the environment, can express their support for the cause. They can do so by clicking on the banner to plant a sapling on the Green Thumb.

Answer: A) Government Spending and Taxation Explanation: The two most widely recognized tools used to influence a Nation's Economic activity are Monetary policy and Fiscal policy.   Monetary policy is primarily concerned with the management of interest rates and the total supply of money in circulation and is generally carried out by central banks   Fiscal policy is the collective term for the taxing and spending actions of governments.

Answer: B) 106 kmph Explanation: As we know that Speed = Distance / Timefor average speed = Total Distance / Total Time TakenThus, Total Distance = 325 + 470 = 795 kmThus, Total Speed = 7.5 hrsAverage Speed = 795/7.5 => 106 kmph.