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Imagine, you are solving a classification problems with highly imbalanced class. The majority class is observed 99% of times in the training data. Your model has 99% accuracy after taking the predictions on test data. Which of the following is true in such a case?
1. Accuracy metric is not a good idea for imbalanced class problems.
2.Accuracy metric is a good idea for imbalanced class problems.
3.Precision and recall metrics are good for imbalanced class problems.
4.Precision and recall metrics aren't good for imbalanced class problems.
In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A: He will experience psychological discomfort which is abnormal anxiety, and will require professional help. B: Such anxiety helps the individual take the necessary steps to deal with a stressful situation. C: Anxiety is a normal human response to stress—getting anxious before any exam is a common experience. D: However if the individual feels extremely anxious, he will become helpless and won't be able to deal with the situation.
Statement: Syrian President Bashar al-Assad has revealed during an interview that a direct clash between the US and Russia in Syria was narrowly avoided "by the wisdom of the Russian leadership".  Which of the following objection(s) might be a probable reason(s) for such a revelation by Syrian President Bashar al-Assad? I. Adding that Syria needs Russian support, Assad said, "At the same time we need to avoid the American foolishness in order to be able to stabilise our country". II. Adding that Syria needs American support, Assad said, "At the same time we need to avoid the American foolishness in order to be able to stabilise our country". III. Adding that Syria needs Russian support, Assad said, "At the same time we need to avoid the Russian foolishness in order to be able to stabilise our country". IV. Adding that Syria needs American support, Assad said, "At the same time we need to avoid the Russian foolishness in order to be able to stabilise our country".
In the following question the 1st and the last part of the sentence/passage are numbered 1 and 6. The rest of the sentence/ passage is split into four parts and named P, Q, R and S. These four parts are not given in their proper order. Read the sentence/passage and find out which of the four combinations is correct.  1. Rohit went to the airport to see off his friend. P. He explained that he had lost his bag in the crowd. Q. Rohit asked him why he was worried and anxious. R. Just then, a policman was seen with a teenager who had a bag in his hand. S. The friend appeared worried and anxious about something. 6. They told the policman about their lost bag & claimed it. 
For children who are in formal operational stage teachers should - (i) Use diagrams to depict hierarchical relationships (ii) Present problems that require hypothetical thinking (iii) Avoid presenting abstract problems (iv) Give opportunities to solve problems and reason scientifically
Consider the following with reference to Article 18? (a) No title, not being a military or academic distinction, shall be conferred by the State. (b) The citizen of India shall accept any title from any foreign State. (c) No person who is not a citizen of India shall, while he holds any office of profit or trust under the State, accept without the consent of the President any title from any foreign State. (d) The person holding any office of profit or trust under the State shall, without the consent of the President, accept any present, emolument, or office of any kind from or under any foreign State.
Consider the following statements:
1. Parliament shall, while a proclamation of Emergency is in operation, have the power to make laws of the whole or any part of territory of India with respect to any of the matters enumerated in the list
2. Parliament has exclusive power to make any law with respect to any matter not enumerated in the Concurrent List or State List
3. Parliament has power to make any law for the whole or any part of the territory of India for implementing any treaty, agreement, or convention with any other country
4. Parliament has power to legislate with respect to a matter in the State List in the national interest subject to the resolution passed by the Council of States by two-thirds majority
Which of these statements are correct?
Anjali's friend suggested the following four ways to avoid tooth decay: a. Brush your teeth twice a day b. Wear braces to avoid enamel decay c. Avoid sweets, chocolates and carbonated drinks d. Rinse mouth after every meal Which of the above ways should Anjali follow?
Rajesh misses a month of school because of his illness. When he returns to school. He does not know how to do his long division assignments. After a number of frustrating experiences in which he fails long division problems, he feels anxious whenever he encounters a division task. As per the classical conditioning theory, the emotional unconditioned stimulus (UCS) is :
Sohana's mathematics test had 75 problems i.e. 10 arithmetic, 30 algebra and 35 geometry problems each carrying I mark She answered 70% of the arithmetic, 40% of the algebra and 60% of the geometry problems correctly. She did not pass the test as she got less than 60% marks. How many more questions she would have needed to answer correctly to earn a 60% passing grade?