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To pass a test, a candidate needs to answer at least 2 out of 3 questions correctly. A total of 6,30,000 candidates appeared for the test. Question A was correctly answered by 3,30,000 candidates. Question B was answered correctly by 2,50,000 candidates. Question C was answered correctly by 2,60,000 candidates. Both questions A and B were answered correctly by 1,00,000 candidates. Both questions B and C were answered correctly by 90,000 candidates. Both questions A and C were answered correctly by 80,000 candidates. If the number of students answering all questions correctly is the same as the number answering none, how many candidates failed to clear the test?
In an examination, a student can choose the order in which two questions (QuesA and QuesB) must be attempted. - If the first question is answered wrong, the student gets zero marks. - If the first question is answered correctly and the second question is not answered correctly, the student gets the marks only for the first question. - If both the questions are answered correctly, the student gets the sum of the marks of the two questions. The following table shows the probability of correctly answering a question and the marks of the question respectively.  question Probability of answering correctly marks QuesA 0.8 10 QuesB 0.5 20 Assuming that the student always wants to maximize her expected marks in the examination, in which order should she attempt the questions and what is the expected marks for that order (assume that the questions are independent)? 
If 75% students of a class answered the first question in a test correctly, 55% answered the second question correctly and 20% answered neither of the questions correctly, what percent answered both the questions correctly?
If 75 percent of a class answered the first question on a certain test correctly, 55 percent answered the second question on the test correctly, and 20 percent answered neither of the questions correctly, what percent answered both correctly?
Which of the following statements about the matched filter in a communication receiver are correct ? (A) It may produce phase error if synchronization is improper (B) Its impulse response depends on the singal shape (C) The characteristics of the matched filter is matched with the transmitted data (D) It produces inter symbol interference (E) It measures the correlation between incoming received message and its impulse response Choose the correct answer from the options given below : 
The sentence given below has 4 words in bold which may or may not have been placed correctly. If the words are not placed correctly, choose the correct combination of the words so that the sentence becomes grammatically correct and contextually meaningful. If the words have already been placed correctly, choose option 5- No Rearrangement Required as your answer. The young disgusted (A) was so woman (B)  with the man that she did not funeral (C) go to his even (D).
The sentence given below has 4 words in bold which may or may not have been placed correctly. If the words are not placed correctly, choose the correct combination of the words so that the sentence becomes grammatically correct and contextually meaningful. If the words have already been placed correctly, choose option 5- No Rearrangement Required as your answer. He was ensuing (A) that examination (B) would score well in the hopeful (C) he (D).
The sentence given below has 4 words in bold which may or may not have been placed correctly. If the words are not placed correctly, choose the correct combination of the words so that the sentence becomes grammatically correct and contextually meaningful. If the words have already been placed correctly, choose option 5- No Rearrangement Required as your answer. The guard thief (A) trousers (B) the dog (C) and ripped his attacked (D).
The sentence given below has 4 words in bold which may or may not have been placed correctly. If the words are not placed correctly, choose the correct combination of the words so that the sentence becomes grammatically correct and contextually meaningful. If the words have already been placed correctly, choose option 5- No Rearrangement Required as your answer. People are strength (A) in such Almighty (B) and look up to the circumstances (C) for helpless (D).
In an examination comprising, N questions, Neha correctly solved 17 questions out of 25 question. Of the remaining questions, she answered one – fifth correctly. If she was able to correctly answer 50% of the question in the paper overall, then, which of the following possible values can N assume?