A sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice.

The hunter killed a tiger. 

A sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice.

Kritika is not chopping vegetables.

A sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice.

Aditya cannot be defeated.

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 What happens to our brains as we age is of crucial importance not just to science but to public policy. By 2030, for example, 72 million people in the US will be over 65, double the figure in 2000 and their average life expectancy will likely have edged above 20 years. However, this demographic time-bomb would be much less threatening if the elderly were looked upon as intelligent contributors to society rather than as dependants in long-term decline.

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 The better behavior resulting from smart devices is just one threat to the insurance industry. Conventional risk pools (for home or car insurance, for example) are shrinking as preventable accidents decline, leaving the slow-footed giants of the industry at risk. Business is instead moving to digital-native insurers, many of which are offering low premiums to those willing to collect and share their data. Yet the biggest winners could be tech companies rather than the firms that now dominate the industry. Insurance is increasingly reliant on the use of technology to change behavior; firms act as helicopter parents to policyholders, warning of impending harm—slow down; reduce your sugar intake; call the plumber—the better to reduce unnecessary payouts.

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The expenditure of time, money and sparse judicial and prosecutorial resources is often justified by claims of a powerful deterrent message embodied in the ultimate punishment- the death penalty. But studies repeatedly suggest that there is no meaningful deterrent effect associated with the death penalty and further, any deterrent impact is no doubt greatly diluted by the amount of time that inevitably passes between the time of the conduct and the punishment. In 2010, the average time between sentencing and execution in the United States averaged nearly 15 years.

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The Indian Meteorological Department (IMD) has come out with the dismaying prediction that the southwest monsoon this year will be below normal. If this prognosis holds true, it may mar the prospects of redeeming the rabi crop output losses through bumper harvests in the later kharif season. India's farm sector has certainly acquired a degree of resilience when it comes to the monsoon - as reflected in the positive growth numbers in all the weak monsoon years since 2009. However, monsoon rainfall and its distribution still remain crucial.

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By calling for exempting unionized businesses from the minimum wage, unions are creating more incentives for employers to favor unionized workers over the non-unionized sort. Such exemptions strengthen their power. This is useful because for all the effort unions throw at raising the minimum wage, laws for better pay have an awkward habit of undermining union clout.

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The premise that the choice of major amounts to choosing a career path rests on the faulty notion that the major is important for its content, and that the acquisition of that content is valuable to employers. But information is fairly easy to acquire and what is acquired in 2015 will be obsolete by 2020. What employers want are basic but difficult-to-acquire skills. When they ask students about their majors, it is usually not because they want to assess the applicants’ mastery of the content, but rather because they want to know if the students can talk about what they learned. They care about a potential employee’s abilities: writing, researching, quantitative, and analytical skills.