IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: Which value is equal to 5% of 1,500? 1985 05b5cc666e4d2b4197774bee9
5b5cc666e4d2b4197774bee9- 135false
- 255false
- 375true
- 445false
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उत्तर : 3. "75"
व्याख्या :
Answer: C) 75 Explanation: In the question it is asked for 5% of 1500 5 x 1500/100 = 15 x 5 = 75. Hence, 5% of 1,500 is equal to 75.
प्र: Which sentence contains an infinitive? 1985 05b5cc622e4d2b4197774b7da
5b5cc622e4d2b4197774b7da- 1We walked to town with Grandfa.false
- 2It is normal to make mistakes.true
- 3Will you take the package to Sheila?false
- 4None of the abovefalse
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उत्तर : 2. "It is normal to make mistakes."
व्याख्या :
Answer: B) It is normal to make mistakes. Explanation: An infinitive is a verbal that can function as noun, adjective, or adverb. Having or involving the basic form of a verb is called Infinnitive clause. Way to know whether there is an infinitive is to see whether there is the word "to" in the sentence. Hence, option B) It is normal to make mistakes. is an infinitive sentence.
प्र: Which is better investment : 11% stock at 143 (or) 9 3/4% stock at 117 ? 1984 05b5cc71be4d2b4197774f53f
5b5cc71be4d2b4197774f53f- 1Both are equally goodfalse
- 29 3/4% stock at 117true
- 3Cannot be compared, as the total amount of investment is not givenfalse
- 411% stock at 143false
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उत्तर : 2. "9 3/4% stock at 117"
व्याख्या :
Answer: B) 9 3/4% stock at 117 Explanation: Let investment in each case be Rs. (143 x 117). Income in 1st case = Rs.11143 x 143 x 117 = Rs. 1287.Income in 2nd case = Rs.394×117 x 143 x 117= Rs. 1394.25 Clearly, 9 3/4% stock at 117 is better.
प्र: Who wrote the social contract? 1981 05b5cc669e4d2b4197774bf68
5b5cc669e4d2b4197774bf68- 1Jean-Jacques Rousseautrue
- 2Immanuel Kantfalse
- 3John Lockefalse
- 4Voltairefalse
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उत्तर : 1. "Jean-Jacques Rousseau"
व्याख्या :
Answer: A) Jean-Jacques Rousseau Explanation: Jean-Jacques Rousseau (1712–1778), in his influential 1762 treatise The Social Contract, outlined a different version of social contract theory, as the foundations of political rights based on unlimited popular sovereignty.
प्र: Who discovered the monomers of nucleic acids? 1981 05b5cc639e4d2b4197774ba87
5b5cc639e4d2b4197774ba87- 1James Watson, Francis Crick, and Rosalind Franklinfalse
- 2Friedrich Miescherfalse
- 3Phoebus Levenetrue
- 4Gerardus Johannes Mulder and Jöns Jacob Berxeliusfalse
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उत्तर : 3. "Phoebus Levene"
व्याख्या :
Answer: C) Phoebus Levene Explanation: Deoxyribonucleic acid (DNA) is a nucleic acid polymer composed of monomers called nucleotides. Nucleotides are composed of three components: (1) a pentose sugar; (2) a nitrogenous base; and (3) one to three phosphate groups. Phoebus Levene, a Russian biochemist was the first to discover the nucleotide and the first to correctly identify the way nucleic acid molecules, DNA.
प्र: Find value of log27 +log 8 +log1000log 120 1980 15b5cc7d0e4d2b4197775120e
5b5cc7d0e4d2b4197775120e- 11/2false
- 23/2true
- 32false
- 42/3false
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उत्तर : 2. "3/2"
व्याख्या :
Answer: B) 3/2 Explanation: = log 33 + log 23+ log 103log10×3×22 =log33 12+log 23+log 10312log(10×3×22) =12log 33+3 log 2+12 log103log10+log3+log22 =32log 3 + 2 log 2 + log 10log 3 + 2 log 2 + log 10 = 32
प्र: Dronacharya Award Is Given To 1980 05b5cc6b9e4d2b4197774d77b
5b5cc6b9e4d2b4197774d77b- 1Sports Editorsfalse
- 2Umpiresfalse
- 3Sportsmenfalse
- 4Coachestrue
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उत्तर : 4. "Coaches"
व्याख्या :
Answer: D) Coaches Explanation: The Dronacharya Award, formally known as Dronacharya Award for Outstanding Coaches in Sports and Games, is sports training honour of the Republic of India. The award is named after Drona, often referred as "Dronacharya" or "Guru Drona", a character from the Sanskrit epic Mahabharata of ancient India.
प्र: Which one of the following does not contain Silver ? 1979 05b5cc6cee4d2b4197774e26a
5b5cc6cee4d2b4197774e26a- 1Horn Silverfalse
- 2Ruby Silverfalse
- 3Lunar Causticfalse
- 4German Silvertrue
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उत्तर : 4. "German Silver"
व्याख्या :
Answer: D) German Silver Explanation:

