IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: "International Day for Disaster Reduction" was observed across the world on _____ ? 1355 05b5cc6c1e4d2b4197774db64
5b5cc6c1e4d2b4197774db64- 116 Octoberfalse
- 215 Octoberfalse
- 314 Octoberfalse
- 413 Octobertrue
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उत्तर : 4. "13 October"
व्याख्या :
Answer: D) 13 October Explanation: International Day for Disaster Reduction, held every 13 October, celebrates how people and communities around the world are reducing their exposure to disasters. The year 2017 focus is : Reducing the number of affected people by disasters by 2030.
प्र: What will come in place of the question mark (?) in the following number series ? 12, 24, 26.5, 79.5, ?, 330 1815 05b5cc6c1e4d2b4197774db5f
5b5cc6c1e4d2b4197774db5f- 1211false
- 2101.5false
- 382.5true
- 499false
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उत्तर : 3. "82.5"
व्याख्या :
Answer: C) 82.5 Explanation: The given series 12 24 26.5 79.5 ? 330 follows a pattern that, 12 x 2 = 24 24 + 2.5 = 26.5 26.5 x 3 = 79.5 79.5 + 3 = 82.5 82.5 x 4 = 330 Hence, the missing number is 82.5
प्र: The Sivasamudram Falls is on which river ? 1366 05b5cc6c1e4d2b4197774db55
5b5cc6c1e4d2b4197774db55- 1Gangafalse
- 2Saryufalse
- 3Cauverytrue
- 4Krishnafalse
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उत्तर : 3. "Cauvery"
व्याख्या :
Answer: C) Cauvery Explanation:
प्र: With reference to the first battle of freedom in 1857, who was related to Jhansi ? 1692 05b5cc6c1e4d2b4197774db50
5b5cc6c1e4d2b4197774db50- 1Chandra Shekhar Azadfalse
- 2Rani Lakshmi Baitrue
- 3Mangal Pandeyfalse
- 4Bhagat Singhfalse
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उत्तर : 2. "Rani Lakshmi Bai"
व्याख्या :
Answer: B) Rani Lakshmi Bai Explanation:
प्र: "Kalinga Prize" associated with which of the following fields ? 1433 05b5cc6c1e4d2b4197774db4b
5b5cc6c1e4d2b4197774db4b- 1Sportsfalse
- 2Journalismfalse
- 3Sciencetrue
- 4Literaturefalse
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उत्तर : 3. "Science"
व्याख्या :
Answer: C) Science Explanation:
प्र: In the following options, select the one which is different from the other three ? 2604 05b5cc6c1e4d2b4197774db32
5b5cc6c1e4d2b4197774db32- 1Concentrationfalse
- 2Concoursefalse
- 3Radiationtrue
- 4Confluencefalse
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उत्तर : 3. "Radiation"
व्याख्या :
Answer: C) Radiation Explanation: Radiation shows the property of spreading while the rest three shows concentration at a point.
प्र: What will come in place of the question mark (?) in the following question ? 52.5% of 800 + 30.5% of 2800 = ? + 87.30 1306 05b5cc6c1e4d2b4197774db2d
5b5cc6c1e4d2b4197774db2d- 11096.30false
- 21226.70false
- 31124.20false
- 41186.70true
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उत्तर : 4. "1186.70"
व्याख्या :
Answer: D) 1186.70 Explanation: 52.5% of 800 + 30.5% of 2800 = ? + 87.30 420 + 854 - 87.30 = ? 1274 - 87.30 = ? ? = 1186.70
प्र: Indian-American girl won 2017 Young Scientist Challenge for water contamination detection device. What is her name ? 1488 05b5cc6c1e4d2b4197774db28
5b5cc6c1e4d2b4197774db28- 1Kavita Kumarifalse
- 2Gitanjali Raotrue
- 3Hetal Raofalse
- 4Savita Sharmafalse
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उत्तर : 2. "Gitanjali Rao"
व्याख्या :
Answer: B) Gitanjali Rao Explanation: Gitanjali Rao, an 11-year-old Indian-American schoolgirl, was named as "America’s top young scientist" for inventing a cost-effective, quick lead-contamination detector in water. The seventh-grade student was inspired by the large-scale lead contamination in water in Flint, Michigan, that came to light recently.