IIT JEE Practice Question and Answer
8Q: Which of the following is NOT a Union Territory? 2533 05b5cc6a7e4d2b4197774cdfe
5b5cc6a7e4d2b4197774cdfe- 1Daman and Diufalse
- 2Puducherryfalse
- 3Shillongtrue
- 4Lakshadweepfalse
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Answer : 3. "Shillong"
Explanation :
Answer: C) Shillong Explanation: We know that The seven union territories of India are are: Chandigarh. Dadra and Nagar Haveli. Daman and Diu. Lakshadweep. Puducherry. Andaman and Nicobar Islands. National Capital Territory of Delhi. Hence, Shillong is not a Union Territory.
Q: Which of the following is an example of market failure? 1502 05b5cc6a7e4d2b4197774cdf4
5b5cc6a7e4d2b4197774cdf4- 1Prices do not reflect the full social cost of productiontrue
- 2A firm goes out of business because it cannot find a market for its productsfalse
- 3Prices rise so that the consumers cannot afford the products they want to buyfalse
- 4Producer surplus is maximizedfalse
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Answer : 1. "Prices do not reflect the full social cost of production"
Explanation :
Answer: A) Prices do not reflect the full social cost of production Explanation: Prices do not reflect the full social cost of production is an example of Market failure. A market failure occurs when the supply of a good or service is insufficient to meet demand. This results in an inefficient distribution of resources among market participants. It also occurs if externalities are not accounted for. If a firm fails to maximize its profits this is not a general market failure.
Q: Which of the following is NOT a representative of a Buddhist Art? 2517 05b5cc6a7e4d2b4197774cdf9
5b5cc6a7e4d2b4197774cdf9- 1Relic Towerstrue
- 2Viharafalse
- 3Stupafalse
- 4Chaityafalse
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Answer : 1. "Relic Towers"
Explanation :
Answer: A) Relic Towers Explanation:
Q: I am an 8 letter word. First 4 is the question. 2, 3, 4 protects our head. 5, 6, 7 IT company name. 7 & 8 are the same letters. Who am I? 1853 05b5cc6a7e4d2b4197774cdee
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Answer :
Explanation :
That 8 letter word is Whatsapp (a messenger app) First four letters: WHAT a question Letters 2,3,4: HAT protects our headLetters 5,6,7: SAP an IT companyLetters 7,8: PP same.
Q: A tin a mixture of two liquids A and B in the proportion 4 : 1. If 45 litres of the mixture is replaced by 45 litres of liquid B, then the ratio of the two liquids becomes 2 : 5. How much of the liquid B was there in the tin? What quantity does the tin hold? 1917 05b5cc6a7e4d2b4197774cdef
5b5cc6a7e4d2b4197774cdef- 158 lfalse
- 265 lfalse
- 350 ltrue
- 462 lfalse
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Answer : 3. "50 l"
Explanation :
Answer: C) 50 l Explanation: Let the tin contain 5x litres of liquids 5x - 45 x 455x - 45 x 15 + 45 = 25 => 5(4x - 36) = 2(x + 36) => 20x - 180 = 2x + 72 => x = 14 litres Hence, the initial quantity of mixture = 70l Quantity of liquid B = 70 - 45 x 15 + 45 = 50 litres.
Q: Angle of Elevation means 1693 05b5cc6a7e4d2b4197774cded
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Answer :
Explanation :
In Heights and Distances, The angle of elevation of an object is the angle between the horizontal and the line of sight that is the line from the object to the observer's eye.
Q: Bacteria divide by 1584 05b5cc6a6e4d2b4197774cde8
5b5cc6a6e4d2b4197774cde8- 1Binary Fissiontrue
- 2Spirillafalse
- 3RNAfalse
- 4Fusionfalse
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Answer : 1. "Binary Fission"
Explanation :
Answer: A) Binary Fission Explanation: Bacteria divided and reproduce by Binary fission. In this process, the bacterium, which is a single cell, divides into two identical daughter cells. Binary fission begins when the DNA of the bacterium divides into two replicates.
Q: What is the value of a two–digit number? A. The sum of the digits is 15. B. The difference of the squares of the digits is 45. C. The difference of their digits is 3. 1460 05b5cc6a6e4d2b4197774cdde
5b5cc6a6e4d2b4197774cdde- 1B and C together are sufficientfalse
- 2Any one pair of A and B, B and C or C and A is sufficienttrue
- 3C and A together are sufficientfalse
- 4A and B together are sufficientfalse
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Answer : 2. "Any one pair of A and B, B and C or C and A is sufficient"
Explanation :
Answer: B) Any one pair of A and B, B and C or C and A is sufficient Explanation: From the given data, Let the two gits of a number be x & y A) x + y = 15 B) x2 - y2 = 45 (x+y) (x - y) = 45 C) x - y = 3 From any 2 of the given 3 statements, we can find that 2 digit number as 2x = 18 => x = 9 => y = 6 Hence, 2 digit number is 96. Any one pair of A and B, B and C or C and A is sufficient to find.