CAT Practice Question and Answer
8Q: A man can row against the current three fourth of a kilometer in 15 min and returns same distance in 10 min, then ratio of his speed to that of current? 2749 05b5cc6a8e4d2b4197774ce95
5b5cc6a8e4d2b4197774ce95- 15:1true
- 23:1false
- 34:1false
- 42:1false
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Answer : 1. "5:1"
Explanation :
Answer: A) 5:1 Explanation: Let the speed of the man in still water = p kmph Speed of the current = s kmph Now, according to the questions (p + s) x 10 = (p - s) x 15 2p + 2s = 3p - 3s => p : s = 5 : 1 Hence, ratio of his speed to that of current = 5:1.
Q: Which elements are malleable and good conductors of electricity? 2745 05b5cc619e4d2b4197774b714
5b5cc619e4d2b4197774b714- 1tin and silvertrue
- 2iodine and silverfalse
- 3tin and xenonfalse
- 4iodine and xenonfalse
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Answer : 1. "tin and silver"
Explanation :
Answer: A) tin and silver Explanation: Tin and Silver are malleable and good conductors of electricity. The other combinations have a non metal in them which are bad conductors.
Q: Which best describes the practice of outsourcing? 2745 05b5cc68be4d2b4197774c35f
5b5cc68be4d2b4197774c35f- Show AnswerHide Answer
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Answer :
Explanation :
In business, outsourcing is an agreement in which one company contracts its own internal activity to different company. It involves the contracting out of a business process (e.g. payroll processing, claims processing) and operational, and/or non-core functions (e.g. manufacturing, facility management, call center support) to another party (see also business process outsourcing). A company moves some of its jobs to another country and employing workers in other countries to save on labor costs best describes the practice of outsourcing.
Q: In a row of thirty boys, R is fourth from the right end and W is tenth from the left end . How many boys are there between R and W? 2744 05b5cc7f3e4d2b41977751eb6
5b5cc7f3e4d2b41977751eb6- 115false
- 216true
- 317false
- 4can't be determinedfalse
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Answer : 2. "16"
Explanation :
Answer: B) 16 Explanation: W = 10th from the left R = 4th from the right = (30 - 4 + 1= ) 27th from left No of boys between R and W = (27 - 10) - 1 = 16
Q: There are 44 students in a hostel, due to the administration, 15 new students has joined. The expense of the mess increase by Rs. 33 per day. While the average expenditure per head diminished by Rs. 3, what was the original expenditure of the mess ? 2742 05b5cc74ae4d2b4197774fa9f
5b5cc74ae4d2b4197774fa9f- 1Rs. 404false
- 2Rs. 514false
- 3Rs. 340false
- 4Rs. 616true
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Answer : 4. "Rs. 616"
Explanation :
Answer: D) Rs. 616 Explanation: Let the average expenditure per head be Rs. pNow, the expenditure of the mess for old students is Rs. 44pAfter joining of 15 more students, the average expenditure per head is decreased by Rs. 3 => p-3Here, given the expenditure of the mess for (44+15 = 59) students is increased by Rs. 33Therefore, 59(p-3) = 44p + 3359p - 177 = 44p + 3315p = 210 => p = 14Thus, the expenditure of the mess for old students is Rs. 44p = 44 x 14 = Rs. 616.
Q: What Does My Name Mean, If my Mother is a Mathematician, and my Father is a Chemist. And they gave a Code to My Name as "Iron59". Crack my Name? 2741 05b5cc6ace4d2b4197774d07c
5b5cc6ace4d2b4197774d07c- 1Elixfalse
- 2Alexfalse
- 3Selixfalse
- 4Felixtrue
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Answer : 4. "Felix"
Explanation :
Answer: D) Felix Explanation: Here my name "Iron59" means Felix. Since my father is a chemist he gave code Iron for Fe as chemical symbol for Iron is Fe and my mother is a mathematician she gave 59 for Lix as Roman word for 59 is Lix. Hence my name is FELIX.
Q: Find the minimum number of straight lines in the below figure ? 2741 05b5cc76fe4d2b4197774ff26
5b5cc76fe4d2b4197774ff26- 120false
- 219true
- 317false
- 415false
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Answer : 2. "19"
Explanation :
Answer: B) 19 Explanation: The given figure can be labelled as : Straight lines : The number of straight lines are 19 i.e. BC, CD, BD, AF, FE, AE, AB, GH, IJ, KL, DE, AG, BH, HI, GJ, IL, JK, KE and DL.
Q: The simple interest on Rs. 25 for 4 months at the rate of 3 paise per rupee per month is : 2735 05b5cc6dde4d2b4197774ea23
5b5cc6dde4d2b4197774ea23- 1240 paisefalse
- 2Rs. 1.40false
- 3Rs. 2.20false
- 4Rs. 3true
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Answer : 4. "Rs. 3"
Explanation :
Answer: D) Rs. 3 Explanation: I = PTR/100I = 25 x 4 x 0.03/100I = 0.03 x 100 = 300 Ps = Rs. 3