IIT JEE Practice Question and Answer
8Q: What is a Solution and what are the two parts of a solution? 1429 05b5cc6a4e4d2b4197774cc9f
5b5cc6a4e4d2b4197774cc9f- Show AnswerHide Answer
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Answer :
Explanation :
A solution is a homogeneous type of mixture of two or more substances. A solution has two parts:: 1. A solute and 2. A solvent. The solute is the substance that dissolves, and the solvent is the majority of the solution.
Q: Who has been appointed as the Election Commissioner of India ? 1428 05b5cc6c8e4d2b4197774df19
5b5cc6c8e4d2b4197774df19- 1S. Y. Quraishifalse
- 2Sunil Aroratrue
- 3H. S. Brahmafalse
- 4Nasim Zaidifalse
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Answer : 2. "Sunil Arora"
Explanation :
Answer: B) Sunil Arora Explanation:
Q: What animals eat both producers and consumers? 1428 05b5cc66de4d2b4197774bfc0
5b5cc66de4d2b4197774bfc0- 1Herbivoresfalse
- 2Omnivorestrue
- 3Carnivoresfalse
- 4Tertiary consumersfalse
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Answer : 2. "Omnivores"
Explanation :
Answer: B) Omnivores Explanation: Animals and people who eat both animals and plants i.e, both producers and consumers are called omnivores.
Q: How many more words can be formed by using the letters of the given word 'CREATIVITY'? 1428 05b5cc6bce4d2b4197774d8d9
5b5cc6bce4d2b4197774d8d9- 1851250false
- 2751210false
- 3362880false
- 4907200true
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Answer : 4. "907200"
Explanation :
Answer: D) 907200 Explanation: The number of letters in the given word CREATIVITY = 10 Here T & I letters are repeated => Number of Words that can be formed from CREATIVITY = 10!/2!x2! = 3628800/4 = 907200
Q: FIFA 2018 World Cup won by 1427 05b5cc611e4d2b4197774b64b
5b5cc611e4d2b4197774b64b- 1Croatiafalse
- 2Brazilfalse
- 3Argentinafalse
- 4Francetrue
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Answer : 4. "France"
Explanation :
Answer: D) France Explanation: France national football team has won the FIFA 2018 - an international football tournament contested by the men's national teams of the member associations of FIFA once every four years. It took place in Russia from 14 June to 15 July 2018.
Q: What is the capital of Bhutan ? 1427 05b5cc6c9e4d2b4197774dfa1
5b5cc6c9e4d2b4197774dfa1- 1Dhakafalse
- 2Thimphutrue
- 3Tripolifalse
- 4Tokyofalse
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Answer : 2. "Thimphu"
Explanation :
Answer: B) Thimphu Explanation:
Q: Father of Email 1427 05b5cc6d3e4d2b4197774e4eb
5b5cc6d3e4d2b4197774e4eb- 1Afalse
- 2Btrue
- 3Cfalse
- 4Dfalse
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Answer : 2. "B"
Explanation :
Answer: B) B Explanation: Ray Tomilson
Q: Mohan spends 23% of an amount of money on an insurance policy, 33% on food, 19% on children’s education and 16% on recreation. He deposits the remaining amount of Rs. 504 in bank. How much amount does he spend on food and insurance policy together? 1427 05b5cc678e4d2b4197774c160
5b5cc678e4d2b4197774c160- 1Rs. 2326false
- 2Rs. 5876false
- 3Rs. 1741false
- 4Rs. 3136true
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Answer : 4. "Rs. 3136"
Explanation :
Answer: D) Rs. 3136 Explanation: Let total amount = Rs. P Total expenditure = (23 + 33 + 19 + 16)% of P = 91%ofP Remaining money = (100 - 91)% of P = 9% of P But given in the question that, 9% of P = 504 9p/100 = 504 => P = 50400/9 => P = Rs. 5600 Required money spent on Food & Insurance = 23 + 33 % = 56% of 5600 = 56 x 5600/100 = 56 x 56 = Rs. 3136

