CAT Practice Question and Answer
8Q: 14 persons are seated around a circular table. Find the probability that 3 particular persons always seated together. 2027 05b5cc6b6e4d2b4197774d5b8
5b5cc6b6e4d2b4197774d5b8- 111/379false
- 221/628false
- 324/625true
- 426/247false
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Answer : 3. "24/625"
Explanation :
Answer: C) 24/625 Explanation: Total no of ways = (14 – 1)! = 13! Number of favorable ways = (12 – 1)! = 11! So, required probability = 11!×3!13! = 39916800×66227020800 = 24625
Q: Ecology Deals With 1719 05b5cc6b6e4d2b4197774d5ad
5b5cc6b6e4d2b4197774d5ad- 1Environmentfalse
- 2Birdsfalse
- 3Organisms and their Environmenttrue
- 4Living beingsfalse
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Answer : 3. "Organisms and their Environment"
Explanation :
Answer: C) Organisms and their Environment Explanation: Ecology is the branch of science which deals with the study of Ecosystem (relation between the Organisms and their Environment.)
Q: Vikram Sarabhai Space Centre is located at 1727 05b5cc6b6e4d2b4197774d5b2
5b5cc6b6e4d2b4197774d5b2- 1Thiruvananthapuramtrue
- 2Punefalse
- 3Sriharikotafalse
- 4Ahmedabadfalse
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Answer : 1. "Thiruvananthapuram"
Explanation :
Answer: A) Thiruvananthapuram Explanation: Vikram Sarabhai Space Centre is located at Thiruvananthapuram, Kerala. This is the lead centre of ISRO responsible for the design and development of launch vehicle technology focusing on rocket and space vehicles for India's satellite programme.
Q: Find the next number in the series 143 143 136 110 ? 3282 05b5cc6b6e4d2b4197774d5a8
5b5cc6b6e4d2b4197774d5a8- 191false
- 235false
- 347true
- 469false
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Answer : 3. "47"
Explanation :
Answer: C) 47 Explanation: The next number in the series is 143 143 136 110 0 7 26 (Differences) 13 - 1 , 23 - 1, 33 - 1, 43 - 1,...Now the next number is given by110 - (43 - 1) = 110 - 63 = 47.
Q: In India, Salt Lake City is located in 2005 05b5cc6b6e4d2b4197774d5a3
5b5cc6b6e4d2b4197774d5a3- 1West Bangaltrue
- 2Rajastanfalse
- 3Gujaratfalse
- 4Delhifalse
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Answer : 1. "West Bangal"
Explanation :
Answer: A) West Bangal Explanation: BidhanNagar in Kolkata, West Bangal is popularly known as Salt Lake City.
Q: 11 letter Indian city is I am Hints :: 2,4,10 is a Unit of Length . Last 6 letters is a Fruit Name. 9,5,3 is a Soap Name. 1,8,3 is used by a Student 7,8,3 letters is a Bird Name. 6,7,5,3 is an organ in the Face. From the above given Hints Find that Indian City Name? 2978 05b5cc6b6e4d2b4197774d59d
5b5cc6b6e4d2b4197774d59d- Show AnswerHide Answer
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Answer :
Explanation :
PONDICHERRY is the Indian City with 11 Letters. Fruit Name : CHERRY Soap Name : RIN Bird Name : HEN Organ : CHIN Used by Student : PEN
Q: A mixture contains 25% milk and rest water. What percent of this mixture must taken out and replaced with milk so that in mixture milk and water may become equal. 1813 05b5cc6b6e4d2b4197774d59e
5b5cc6b6e4d2b4197774d59e- 131.8%false
- 231%false
- 333.33%true
- 429.85%false
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Answer : 3. "33.33%"
Explanation :
Answer: C) 33.33% Explanation: Now, take percentage of milk and applying mixture rule 25 100 50 50 25 = 2 : 1 Hence required answer = 1/3 or 33.33%
Q: Friction can be reduced by changing from 1921 05b5cc6b6e4d2b4197774d593
5b5cc6b6e4d2b4197774d593- 1Static to Dynamicfalse
- 2Rolling to Slidingfalse
- 3Dynamic to Staticfalse
- 4Sliding to Rollingtrue
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Answer : 4. "Sliding to Rolling"
Explanation :
Answer: D) Sliding to Rolling Explanation: Any object rolls when there is no friction. So, Sliding to Rolling is correct.