IIT JEE Practice Question and Answer
8Q: Sanjeev ranks seventh from the top and twenty eighth from the bottom in a class. How many students are there in the class? 1782 05b5cc6bbe4d2b4197774d84e
5b5cc6bbe4d2b4197774d84e- 133false
- 236false
- 335false
- 434true
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Answer : 4. "34"
Explanation :
Answer: D) 34 Explanation: Total number of students in the class = 28 + 6 i.e, from top(7-1) 28 + 6 = 34
Q: Rajeev works in the security section of a bank. Everybody in the company is either an IT person or a finance person or both. The assignment that rambo is currently working on has five people from finance and three people from IT,including him. Of the 26 finance people in his department, a total of 16 are in his section. Of the 18 IT people in his department, 10 are not in Rajeev section. There is nobody in Rajeev section who is both a finance person and an IT person. Fifteen people in his department do not belong to his section. Questions : 1)How many IT people are there in Rajeev's department who are not a finance person and are not in Rajeev's section ? 1782 05b5cc718e4d2b4197774f49f
5b5cc718e4d2b4197774f49f- 11false
- 23false
- 35false
- 48 2)what number finance people in Rajeev's department are not in his section?false
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Answer :
Explanation :
Finance person in his department = 26IT persons in his department = 18Finance person in his section = 16IT persons in his section = 8Total in his section = 16+8 = 24Total people in his depatment = 26+18 = 44only 15 people in his dept are not in his secand 44-24 = 20so 20-15 = 5 people belong to both finance and IT Answer 1) is 'C'. IT persons in his department = 18(total IT) - 8(section) - 5(both) = 5 Answer 2) is 'B' Finance persons not in his section = 26 - 16 = 10
Q: In how many different ways can the letters of the word 'THERAPY' be arranged so that the vowels never come together? 1781 05b5cc69de4d2b4197774c919
5b5cc69de4d2b4197774c919- 11440false
- 2720false
- 32250false
- 43600true
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Answer : 4. "3600"
Explanation :
Answer: D) 3600 Explanation: Given word is THERAPY. Number of letters in the given word = 7 These 7 letters can be arranged in 7! ways. Number of vowels in the given word = 2 (E, A) The number of ways of arrangement in which vowels come together is 6! x 2! ways Hence, the required number of ways can the letters of the word 'THERAPY' be arranged so that the vowels never come together = 7! - (6! x 2!) ways = 5040 - 1440 = 3600 ways.
Q: The Great Gatsby is written in which point of view? 1781 05b5cc611e4d2b4197774b676
5b5cc611e4d2b4197774b676- 1first person limitedtrue
- 2first person omniscientfalse
- 3third person limitedfalse
- 4None of the abovefalse
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Answer : 1. "first person limited"
Explanation :
Answer: A) first person limited Explanation: A first person point of view is said by a character who is invoved in the events of the story and unlike third person point of views will actually use words such as 'we' or 'I'. The Great Gatsby is told from the point of view of Nick Carroway. He is from the Midwest, but narrates the story after it takes place in the East. As such, he is an outsider, and tends to judge what he experiences in the East based on his midwestern ideas and values. Nick makes an effort to assure the reader that he is nonjudgmental and completely honest. This is ironic, because he is very judgmental and opinionated.
Q: Nucleic acids are polymers of 1781 05b5cc60de4d2b4197774b636
5b5cc60de4d2b4197774b636- 1Nucleotidestrue
- 2Aminoacidsfalse
- 3Proteinsfalse
- 4Sugarsfalse
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Answer : 1. "Nucleotides"
Explanation :
Answer: A) Nucleotides Explanation: Nucleic acids are polymers of individual nucleotide monomers. Each nucleotide is composed of three parts: a 5-carbon sugar, a phosphate group, and a nitrogenous base.
Q: The least number of complete years in which a sum of money put out at 20% C.I. will be more than doubled is ? 1780 05b5cc6e2e4d2b4197774ec25
5b5cc6e2e4d2b4197774ec25- 13 yearsfalse
- 24 yearstrue
- 32.5 yearsfalse
- 42 yearsfalse
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Answer : 2. "4 years"
Explanation :
Answer: B) 4 years Explanation: P1+20100n > 2P Now, (6/5 x 6/5 x 6/5 x 6/5) > 2. So, n = 4 years.
Q: World Soil Day is celebrated on ? 1780 05b5cc6cee4d2b4197774e283
5b5cc6cee4d2b4197774e283- 1July 26false
- 2June 30false
- 3August 9false
- 4December 5true
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Answer : 4. "December 5"
Explanation :
Answer: D) December 5 Explanation:
Q: If 25% of a number is subtracted from a second number, the second number reduces to its four-sixth. What is the ratio of the first number to the second number ? 1780 05b5cc6dee4d2b4197774ea46
5b5cc6dee4d2b4197774ea46- 14:3true
- 22:3false
- 33:2false
- 45:3false
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Answer : 1. "4:3"
Explanation :
Answer: A) 4:3 Explanation: Let the numbers be p & q q-p/4 = 4q/6 => q-4q/6 = p/4 => 2q/6 = p/4 => p/q = 4/3