Who is the spouse of R?

Who is the lawyer?

Who of the following is definitely a man?

There is an order of 19000 quantity of a particular product from a customer. The firm produces 1000 quantity of that product per out of which 5% are unfit for sale. In how many days will the order be completed?

What is/are the present constraint/constraints in using biomass as fuel for power generation?
1. Lack of sustainable supply of biomass
2. Biomass production competes with food production
3. Bio-energy may not always be low carbon on a life-cycle basis
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Which of the following can lead to food security problem?
1. Using agricultural and forest residues as feedstock for power generation
2. Using biomass for carbon capture and storage
3. Promoting the cultivation of energy crops
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In the context of using biomass, which of the following is/are the characteristic/characteristics of the sustainable production of biofuel?
1. Biomass as a fuel for power generation could meet all the primary energy requirements of the world by 2050
2. Biomass as a fuel for power generation does not necessarily disrupt food and forest resources
3. Biomass as a fuel for power generation could help in achieving negative emissions, given certain nascent technologies
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With reference to the passage, following assumptions have been mad :
1. Some climate-energy models suggest that the use of biomass as a fuel for power generation helps in mitigating greenhouse gas emissions
2. It is not possible to use biomass as a fuel for power generation without disrupting food and forest resources
Which of these assumptions is/are valid?

Which among the following is the most logical and critical inference that can be made from the above passage?

A class starts at 11:00 am and lasts till 2:27 pm. Four periods of equal duration are held during this interval. After every period, a rest of 5 minutes is given to the students. The exact duration of each period is: