CAT प्रश्न और उत्तर का अभ्यास करें
8प्र: Out of seven consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed ? 1551 05b5cc774e4d2b41977750007
5b5cc774e4d2b41977750007- 125200true
- 225000false
- 325225false
- 424752false
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उत्तर : 1. "25200"
व्याख्या :
Answer: A) 25200 Explanation: Number of ways of selecting (3 consonants out of 7) and (2 vowels out of 4) =( C37×C24 ) = 210. Number of groups, each having 3 consonants and 2 vowels =210 Each group contains 5 letters. Number of ways of arranging 5 letters among themselves = 5! = 120. Required number of words = (210 x 120) = 25200.
प्र: Niligiri Tahr is the state animal of which of the following states ? 1550 05b5cc6f8e4d2b4197774f063
5b5cc6f8e4d2b4197774f063- 1Tamil Nadutrue
- 2Karnatakafalse
- 3Maharashtrafalse
- 4Keralafalse
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उत्तर : 1. "Tamil Nadu"
व्याख्या :
Answer: A) Tamil Nadu Explanation:
प्र: Jio is a big shot at reducing the cost of Internet access in India. The U.S., despite being the richest country in the world, lags far behind in terms of cost and penetration of Internet access. Cheap access to the Internet is an important step in bridging the access gap – access to good education, good healthcare, etc. But the market reaction to Jio is similar to the U.S. market’s reaction to firms announcing their intention to diversify. ( 1550 05b5cc6ace4d2b4197774d0a0
5b5cc6ace4d2b4197774d0a0- 1The final group of losers is the current shareholders of RIL. On announcement of Jio, the stock price of RIL fell. (false
- 2It shows that the market’s short-term reaction is usually proven correct in the long-run. (false
- 3On losing end, the first groups of losers are the shareholders of other telecom companies. (false
- 4The large amount of revenue the Government of India gets from auctioning off the nation’s natural resources is not necessarily a good thing because the Government does not have a stellar track record when it comes to spending the money. A large fraction of Government spending is wasted. (E) The second loser is the Government of India. The big money the Indian Government was raking in selling cellular bandwidth was actually coming from the pockets of the cellular consumers. (F) The first obvious winners of this scheme are customers. (G) The second winner is Mr. Ambani; he can potentially make a lasting impact as the man who brought Internet to millions of Indians. Question: Which of the following supports the decision of other companies opposing Reliance JIO Scheme?true
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उत्तर : 4. "The large amount of revenue the Government of India gets from auctioning off the nation’s natural resources is not necessarily a good thing because the Government does not have a stellar track record when it comes to spending the money. A large fraction of Government spending is wasted.
(E) The second loser is the Government of India. The big money the Indian Government was raking in selling cellular bandwidth was actually coming from the pockets of the cellular consumers.
(F) The first obvious winners of this scheme are customers.
(G) The second winner is Mr. Ambani; he can potentially make a lasting impact as the man who brought Internet to millions of Indians.
Question:
Which of the following supports the decision of other companies opposing Reliance JIO Scheme?"
व्याख्या :
Answer: D) Both C & E Explanation: As the arguments C and E states that other companies are on the losing end with this scheme, it is the only appropriate answer to this question.
प्र: The former cricketer/cricketers who was/were inducted into the ICC Cricket Hall of Fame 2018 in Dublin, Ireland 1549 05b5cc62ae4d2b4197774b8ab
5b5cc62ae4d2b4197774b8ab- 1Claire Taylorfalse
- 2Ricky Pontingfalse
- 3Rahul Dravidfalse
- 4All of the abovetrue
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उत्तर : 4. "All of the above"
व्याख्या :
Answer: D) All of the above Explanation: Former captains Rahul Dravid of India, Ricky Ponting of Australia and retired England Women wicketkeeper-batter Claire Taylor were inducted into the ICC Cricket Hall of Fame 2018 during a glittering ceremony in Dublin, Ireland. Former Team India captain Rahul Dravid has become the fifth Indian cricketer after Anil Kumble, Sunil Gavaskar, Bishan Singh Bedi and Kapil Dev to be inducted into the ICC Hall of Fame.
प्र: The price of an article has been reduced by 35%. In order to restore the original price the new price must be increased by ? 1548 05b5cc6dfe4d2b4197774eae4
5b5cc6dfe4d2b4197774eae4- 151.8 %false
- 249.25 %false
- 347.2 %false
- 453.84 %true
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उत्तर : 4. "53.84 %"
व्याख्या :
Answer: D) 53.84 % Explanation: 100 65 -------65 ------- 35100 ------ ? => 53.84 %
प्र: A is three times as old as B. C was twice-as old as A four years ago. In four years' time, A will be 31. What are the present ages of B and C ? 1548 05b5cc720e4d2b4197774f5ea
5b5cc720e4d2b4197774f5ea- 145, 10false
- 210, 50false
- 39, 50true
- 450, 15false
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उत्तर : 3. "9, 50"
व्याख्या :
Answer: C) 9, 50 Explanation: Let the age of A = A, B = B and C = C From given A = 3B 4 years ago, C-4 = 2(A-4); After 4 years A + 4 = 31; A = 27;sub in above B, we get B = 9 C = 2(27 - 4) + 4 = 46 + 4 = 50 Hence B = 9yrs and C = 50yrs.
प्र: In a vacuum, all electromagnetic waves have the same 1548 05b5cc63de4d2b4197774bb0a
5b5cc63de4d2b4197774bb0a- 1Velocitytrue
- 2Wavelenthfalse
- 3Frequencyfalse
- 4All the abovefalse
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उत्तर : 1. "Velocity"
व्याख्या :
Answer: A) Velocity Explanation: When traveling in a vacuum, electronic waves from the electromagnetic spectrum all travel at the same speed. Velocity is speed with direction, so they would all travel at the same velocity, realtively speaking. But frequency and wavelength are quite different.
प्र: How much time will a train of length 200 m moving at a speed of 72 kmph take to cross another train of length 300 m, moving at 36 kmph in the same direction ? 1548 05b5cc6e2e4d2b4197774ec2f
5b5cc6e2e4d2b4197774ec2f- 158 secfalse
- 262 secfalse
- 360 secfalse
- 450 sectrue
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उत्तर : 4. "50 sec"
व्याख्या :
Answer: D) 50 sec Explanation: The distance to be covered = Sum of their lengths = 200 + 300 = 500 m. Relative speed = 72 -36 = 36 kmph = 36 x 5/18 = 10 mps. Time required = d/s = 500/10 = 50 sec.