IIT JEE Practice Question and Answer
8Q: Plants that grow in Saline Water are called 2123 15b5cc6b3e4d2b4197774d477
5b5cc6b3e4d2b4197774d477- 1Sciophytesfalse
- 2Bryophytesfalse
- 3Halophytestrue
- 4Hydrophytesfalse
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Answer : 3. "Halophytes"
Explanation :
Answer: C) Halophytes Explanation: Plants that grow in Saline Water are called Halophytes.
Q: Which one of the following launched world's longest scheduled flight ? 2118 05b5cc75ce4d2b4197774fc7a
5b5cc75ce4d2b4197774fc7a- 1Qatar Airwaystrue
- 2British Airwaysfalse
- 3Jet Bluefalse
- 4Air Indiafalse
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Answer : 1. "Qatar Airways"
Explanation :
Answer: A) Qatar Airways Explanation: The Qatar Airways has launched the World’s longest scheduled commercial service to ply between Doha to Auckland. The inaugural service of Flight QR920 took off on February 5, 2017 from Doha and will take 16 hours and 20 minutes to travel 14,535 kilometers to reach Auckland in New Zealand.This makes Qatar Airways to launch the World’s fastest and longest passenger service in terms of flying time. Prior to this, emirates launched the world’s longest non-stop scheduled commercial flight with a service from Dubai to Auckland, spanning 14,200 kilometres.
Q: If x = √8 - √7, y = √6 - √5 and z = √10 - 3, which of the following is true ? 2118 05b5cc6dbe4d2b4197774e955
5b5cc6dbe4d2b4197774e955- 1x > y < zfalse
- 2x < y < zfalse
- 3x > y > zfalse
- 4z < x < ytrue
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Answer : 4. "z < x < y"
Explanation :
Answer: D) z < x < y Explanation: x = √8 - √7 = 1/(√8 + √7) and y = √6 - √5 = 1/(√6 + √5) and z = √10 - 3 = 1/(√10 + 3) As (√8 + √7) > (√6 + √5), (√8 - √7) < (√6 - √5) As (√10 + 3) > (√8 + √7) > (√6 + √5) z < x < y.
Q: Which city is known as "Queen of Arabian Sea" ? 2118 05b5cc6cfe4d2b4197774e321
5b5cc6cfe4d2b4197774e321- 1Vizagfalse
- 2Kakinadafalse
- 3Mumbaifalse
- 4Kochitrue
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Answer : 4. "Kochi"
Explanation :
Answer: D) Kochi Explanation:
Q: Find the missing number in the given number series? 5 11 21 44 ? 175 2118 05b5cc6a2e4d2b4197774cb99
5b5cc6a2e4d2b4197774cb99- 186true
- 278false
- 394false
- 4102false
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Answer : 1. "86"
Explanation :
Answer: A) 86 Explanation: Here the given number series is 5 11 21 44 ? 175 Now the given series follows a pattern, that x2 + 1, x2 - 1, x2 + 2, x2 - 2, x2 + 3, x2 - 3,... Then the missing number is x2 - 2 = 44 x 2 - 2 = 88 - 2 = 86 Hence, the missing number in the number series is 86.
Q: Selling an article at a profit of 20%, Aman gets Rs. 400 more than selling at a loss of 20%. The cost price of the article is ? 2117 05b5cc6c2e4d2b4197774dbeb
5b5cc6c2e4d2b4197774dbeb- 1Rs.1000true
- 2Rs. 1020false
- 3Rs.1210false
- 4Rs.1140false
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Answer : 1. "Rs.1000"
Explanation :
Answer: A) Rs.1000 Explanation: Cost price of the article is given by = 400x100/(20+20) = Rs.1000
Q: One important result of the French Revolution was that 2117 05b5cc6abe4d2b4197774d052
5b5cc6abe4d2b4197774d052- 1France lost its spirit of nationalismfalse
- 2Political power shifted to the bourgeoisietrue
- 3France enjoyed a lengthy period of peace and prosperityfalse
- 4The church was restored to its former role and power in the French governmentfalse
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Answer : 2. "Political power shifted to the bourgeoisie"
Explanation :
Answer: B) Political power shifted to the bourgeoisie Explanation: One of the most important result of the French Revolution was that Political power shifted to the bourgeoisie (Middle class people). The Great French Revolution of 1789 not only overthrew the monarchy in France, but ultimately led to the destruction of the Old Order across Europe. Prior to the French Revolution, the bourgeoisie or middle class, belonged to the Third Estate, which had the largest tax burden and virtually no rights. The bourgeoisie gained an enormous amount of political power when the National Assembly issued the Declaration of the Rights of Man, and drafted a new constitution for France.
Q: The least number of four digits which is divisible by 4, 6, 8 and 10 is ? 2116 05b5cc6e9e4d2b4197774edf7
5b5cc6e9e4d2b4197774edf7- 11107false
- 21080true
- 31100false
- 41208false
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Answer : 2. "1080"
Explanation :
Answer: B) 1080 Explanation: LCM of 4, 6, 8 and 10 = 120120) 1000 (8 960 ------ 40 The least number of four digits which is divisible by 4, 6, 8 and 10 => 1000 + 120 - 40 = 1080.

