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If Rati travels at his usual speed for ‘x’ hours, he covers the same distance as he covered when he travels at a speed 30 km/hr less than usual, but for (x + 3) hours. Which of the following can be determined? (A) If he travels at 20 km/hr less speed than usual, he can cover a distance of 240 km in (x - 1) hours. What is the value of ‘x’? (B) If travels at his usual speed for (t + 2) hours, and at 50% of his usual speed for (t - 2) hours, his average speed for the journey is 68 km/hr. What is his usual speed? (C) His usual speed (in km/hr) is a multiple of 5 between 40 and 50 (both inclusive). If ‘x’ is a whole number, what is his usual speed? (D) If he travels at his usual speed for ‘t’ hours, he covers a distance of 400 km. What is the value of ‘x’?
According to government data, 24 percent of teenagers in India under the age of 18 years live in households with incomes that are classified at a particular income level. A simple random sample of 400 teenagers in India under the age of 18 years was selected for a study of learning. If the government data is correct, which of the following best approximates the probability that at least 27 per cent of the teenagers in the sample live in households that are classified at a particular income level?
Arjun covers a certain distance from his home to college at a usual speed of 24 km/hr and takes a certain time. When he increases usual speed by 6 km/hr, he takes 30 minutes less than usual. If he reduces his usual speed by 4 km/hr, he takes 30 minutes more than usual. Find the distance from his home to college. 
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: While these symptoms may indicate cancer, they can also have other causes. B: Possible signs and symptoms of cancer include a lump, abnormal bleeding, prolonged cough, unexplained weight loss, and a change in bowel movements. C: These contrast with benign tumors, which do not spread. D: Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. 
Mr A started half an hour later than usual for the marketplace. But by increasing his speed to $$\frac{3}{2}$$ times his usual speed he reached 10 minutes earlier than usual. What is his usual time for this journey?
"The Daily News carried an article this morning about some local teenagers who were arrested on charges of drug possession. Teenagers these days are nothing but a bunch of junkies". Which fallacy is committed in the above statement?
The critical reasoning question is based on a short argument, a set of statements, or a plan of action. For each question, select the best answer of the choices given and explain why the chosen answer is the right fit. A young beautician decides to open up her own beauty shop. She introduces a line of good quality makeup products especially for skin types of teenagers.  What would be the best way for the products to be seen by teenagers?
Given is a statement followed by two arguments numbered I and II. Consider the statement and the following arguments and decide which of the arguments is/are strong? Statement: Are 21st century teenagers under stress? Arguments: I. Yes, teenagers’ perception is that are expected to be successful or good at everything. Failure has somehow gone from being viewed as a learning opportunity to being clearly unacceptable. II. No, stress is a relative perception that can be managed with proper guidance.
Which of the following statements is/are correct?
Statement I Teenagers are conscious about their appearance.
Statement II Teenagers have simple black and white thinking.
Given below are two statements, one is Assertion (A) and other is Reason (R). Assertion (A): When the placenta is implanted partially or completely over the lower uterine segment it is called placenta previa. Reason (R): The fertilized ovum drop down and implants in the lower uterine segment. Select the correct answer using the code given below :