IIT JEE Practice Question and Answer
8Q: There are several peacocks and deers in a cage (with no other types of animals). There are 72 heads and 200 feet inside the cage. How many peacocks are there, and how many deers ? 3055 05b5cc73de4d2b4197774f95d
5b5cc73de4d2b4197774f95d- 142 & 24false
- 238 & 26false
- 336 & 24false
- 444 & 28true
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Answer : 4. "44 & 28"
Explanation :
Answer: D) 44 & 28 Explanation: Letx = peacocks y = deers 2x + 4y = 200 x + y = 72 y = 72 - x 2x + 288 - 4x = 200 x = 44 peacocks y = 28 deers
Q: '.bak' extension refers to what kind of file? 3055 05b5cc645e4d2b4197774bb9f
5b5cc645e4d2b4197774bb9f- 1Documentfalse
- 2Movie/Video filefalse
- 3Backup filetrue
- 4Audio filefalse
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Answer : 3. "Backup file"
Explanation :
Answer: C) Backup file Explanation: In computing, ".bak" is a filename extension commonly used to signify a backup copy of a file.
Q: What was one outcome of laissez faire economic policies? 3054 05b5cc615e4d2b4197774b6dd
5b5cc615e4d2b4197774b6dd- 1Poverty traps that cannot be escaped through free choicefalse
- 2Monopoly power that emerges naturally in the market and allows businesses to exploit consumersfalse
- 3Businesses pay workers lowfalse
- 4All of the abovetrue
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Answer : 4. "All of the above"
Explanation :
Answer: D) All of the above Explanation: Laissez-faire is simply a way to describe a government's hands-off approach to economic policies. This approach was particularly prevalent in the United States at the turn of the 20th century, which led to numerous issues within American manufacturing. There are many outcomes of laissez-faire economic policies. Some of the outcomes of laissez-faire economics were: * Businesses pay workers low. * Pollution of air and water. * Poverty traps that cannot be escaped through free choice. * General glut that results from overproduction or underconsumption * Monopoly power that emerges naturally in the market and allows businesses to exploit consumers. * Exploitation of the working class that pushes wages down to subsistence and compels laborers to work in harsh and unsafe conditions. * External economies that generate situations where desirable goods are underproduced on the market, and undesirable goods are overproduced on the market. * Public goods that are not supplied by the market due to free-rider problems.
Q: GUI stands for 3052 05b5cc675e4d2b4197774c0f6
5b5cc675e4d2b4197774c0f6- 1Graphical Universal Interfacefalse
- 2Graph Use Interfacefalse
- 3Graphical Unique Interfacefalse
- 4Graphical User Interfacetrue
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Answer : 4. "Graphical User Interface"
Explanation :
Answer: D) Graphical User Interface Explanation: GUI stands for Graphical User Interface. A Graphical User Interface is a computer interface that allows users to interact with a device through graphical elements such as pictures and animations, as opposed to text-based commands.
Q: At a certain rate of interest the compound interest of 3 years and simple interest of 5 years for certain sum of money is respectively Rs. 1513.2 and Rs. 2400. Find the common rate of interest per annum ? 3051 05b5cc6cde4d2b4197774e1cc
5b5cc6cde4d2b4197774e1cc- 15%true
- 26%false
- 34%false
- 43%false
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Answer : 1. "5%"
Explanation :
Answer: A) 5% Explanation: Given compound interest for 3 years = Rs. 1513.2 and simple interest for 5 years = Rs. 2400 Now, we know that C.I = P1+R100n - 1 => 1513.2 = P1+R1003 - 1 ...........(A) And S.I = PTR/100 => 2400 = P5R/100 ..................(B) By solving (A) & (B), we get R = 5%.
Q: Which acid is produced when milk gets sour? 3051 05b5cc69de4d2b4197774c8c6
5b5cc69de4d2b4197774c8c6- 1Lactic acidtrue
- 2Acetic acidfalse
- 3Tartaric acidfalse
- 4Butyric acidfalse
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Answer : 1. "Lactic acid"
Explanation :
Answer: A) Lactic acid Explanation:
Q: Choose the Antonym of the given word from the following options 'Jettison' 3050 05b5cc761e4d2b4197774fd02
5b5cc761e4d2b4197774fd02- 1Salvagetrue
- 2Submergefalse
- 3Repentfalse
- 4Descendfalse
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Answer : 1. "Salvage"
Explanation :
Answer: A) Salvage Explanation: 'Jettison' means to discard and 'salvage' means to rescue something discarded. Hence, 'salvage' is the word which is farthest in meaning to the given word 'Jettison'.
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? 3048 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