CAT Questions

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If 'Q ' means ' +', 'J ' means ' X',T ' ' means '- ' and 'K ' means '÷ ', then what is the value of18K3Q7J ?

What is the value of (cot30°+ 2/√3) ?

Which country has become the first country to ban reef toxic sunscreen by 2020?

Corbett National Park was established to protect which animal?

A passage with three blanks, followed by five options, each containing one word, is given. Choose the word that can fill all the three blanks.
The ability of humans to ___________ the landscape and recognize the consequences of doing so puts us in a peculiar position. There are several animals on earth that show this same kind of intelligence. Some animals have extensions to ___________ their environment and some do not. As a species we are assigned the duty to provide and proliferate. Our goal is to achieve stability for ourselves and our kin. However, we also have an obligation to maintain the environment, as we depend on the resources and services it provides. The question then becomes:
what is our role in nature? Do we have the right to _________ the land, factory farm animals, and pollute waterways? Or do we have an obligation to reduce our numbers and merely subsist? In order to answer these questions, we must rely on our knowledge of Earth, evolution, and our influence on the environment.

What does BOD5 refer to?

'Hunar Haat' an exhibition to exhibit and promote the arts and artisans from minority community was launched at which of the following events?

A train left 1 hour later than the scheduled time but in order to reach its destination 200 km away in time, it had to increase its usual speed by 10 km/hr. What is the usual speed (in km/hr) of the train?