GATE MT 2022 Paper 1 — page 2

Questions 4–6 of 65. Imported answers require review unless explicitly marked reviewed.

The figure shows a grid formed by a collection of unit squares. The unshaded unit square in the grid represents a hole.

Diagram for Metallurgical Engineering question 4

What is the maximum number of squares without a “hole in the interior” that can be formed within the 4 × 4 grid using the unit squares as building blocks?

Your answerChoose one option.

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An art gallery engages a security guard to ensure that the items displayed are protected. The diagram below represents the plan of the gallery where the boundary walls are opaque. The location the security guard posted is identified such that all the inner space (shaded region in the plan) of the gallery is within the line of sight of the security guard. If the security guard does not move around the posted location and has a 360° view, which one of the following correctly represents the set of ALL possible locations among the locations P, Q, R and S, where the security guard can be posted to watch over the entire inner space of the gallery?

Diagram for Metallurgical Engineering question 5

Your answerChoose one option.

P and Q

Q and S

R and S

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Mosquitoes pose a threat to human health. Controlling mosquitoes using chemicals may have undesired consequences. In Florida, authorities have used genetically modified mosquitoes to control the overall mosquito population. It remains to be seen if this novel approach has unforeseen consequences. Which one of the following is the correct logical inference based on the information in the above passage?

Your answerChoose one option.

Using chemicals to kill mosquitoes is better than using genetically modified mosquitoes because genetic engineering is dangerous

Using genetically modified mosquitoes is better than using chemicals to kill mosquitoes because they do not have any side effects

Both using genetically modified mosquitoes and chemicals have undesired consequences and can be dangerous

Using chemicals to kill mosquitoes may have undesired consequences but it is not clear if using genetically modified mosquitoes has any negative consequence

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2022 · Paper 1

Question 4

Question 5

Question 6