IIT JEE Practice Question and Answer
8Q: In how many different ways can the letters of the word 'ABYSMAL' be arranged ? 1739 05b5cc6c9e4d2b4197774df88
5b5cc6c9e4d2b4197774df88- 15040false
- 23650false
- 34150false
- 42520true
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Answer : 4. "2520"
Explanation :
Answer: D) 2520 Explanation: Total number of letters in the word ABYSMAL are 7 Number of ways these 7 letters can be arranged are 7! ways But the letter is repeated and this can be arranged in 2! ways Total number of ways arranging ABYSMAL = 7!/2! = 5040/2 = 2520 ways.
Q: The rate of change of linear momentum of a body falling freely under gravity is equal to it's ____ ? 1739 05b5cc6e1e4d2b4197774ec10
5b5cc6e1e4d2b4197774ec10- 1Kinetic Energyfalse
- 2Weighttrue
- 3Potential Energyfalse
- 4Impulsefalse
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Answer : 2. "Weight"
Explanation :
Answer: B) Weight Explanation: Rate of change of impulse equals the force . In case of freely falling body the only force is the weight.
Q: 12 as a percentage? 1739 05b5cc696e4d2b4197774c570
5b5cc696e4d2b4197774c570- 150%true
- 25%false
- 30.5%false
- 40.05%false
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Answer : 1. "50%"
Explanation :
Answer: A) 50% Explanation: 1/2 as a percentage means 1/2 = 0.5 in decimal Now, in percentage means 0.5 x 100% = 50%.
Q: Which ocean surrounds Antarctica? 1739 05b5cc698e4d2b4197774c643
5b5cc698e4d2b4197774c643- 1Atlantic oceanfalse
- 2Indian oceanfalse
- 3Pacific oceanfalse
- 4Southen oceantrue
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Answer : 4. "Southen ocean"
Explanation :
Answer: D) Southen ocean Explanation: Antarctica is surrounded on all sides by water. The Indian, Pacific and Atlantic Oceans surround it on all sides. These three Oceans all meet at Antarctica. The three oceans are collectively called the Southern Ocean. This is the area located south of 50° latitude.
Q: In a mixture of 240 lt. water is 20% and rest is Milk. What quantity of mixture should be taken out and replaced with water so that water becomes 40%? 1739 05b5cc6bee4d2b4197774d98d
5b5cc6bee4d2b4197774d98d- 160 littrue
- 255 litfalse
- 345 litfalse
- 450 litfalse
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Answer : 1. "60 lit"
Explanation :
Answer: A) 60 lit Explanation:
Q: The court language during the reign of Akbar was _____ ? 1738 05b5cc6cae4d2b4197774e036
5b5cc6cae4d2b4197774e036- 1Urdufalse
- 2Persiantrue
- 3Arabicfalse
- 4Hindifalse
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Answer : 2. "Persian"
Explanation :
Answer: B) Persian Explanation:
Q: Replace each letter for a unique digit so that the equation is correct 1738 05b5cc7a5e4d2b41977750679
5b5cc7a5e4d2b41977750679- Show AnswerHide Answer
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Answer :
Explanation :
(1+9+6+8+3) x (1+9+6+8+3) x (1+9+6+8+3) = 19683
Q: Which was the first Hydel power projects in India? 1737 05b5cc611e4d2b4197774b66a
5b5cc611e4d2b4197774b66a- 1Paikara in Tamilnadufalse
- 2Nizamsagar in Telanganafalse
- 3Siva Samudram in Karnatakatrue
- 4Palli vasal in Kerelafalse
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Answer : 3. "Siva Samudram in Karnataka"
Explanation :
Answer: C) Siva Samudram in Karnataka Explanation: Siva Samudram in Karnatka. The potential for hydroelectric power in India is one of the greatest in the world. The first hydro-electric power station in India was established in Karnataka at "shivana samudra".

