Practice Question and Answer
8 Q: यदि bc+ab+ca=abc है तो $$ {b+c\over {bc(a-1)}}+{a-c\over {ac(b-1)}}+{a+b\over {ab(c-1)}}$$ का मान होगा
1947 05f2d2c7f79b9e641a76158c2
5f2d2c7f79b9e641a76158c2- 12false
- 21true
- 30false
- 4$$ {-1\over {2}}$$false
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Answer : 2. "1"
Q: Which of the following is a renewable source of energy 1947 05b5cc62ce4d2b4197774b8f8
5b5cc62ce4d2b4197774b8f8- 1Natural gasfalse
- 2Coalfalse
- 3Windtrue
- 4Oilfalse
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Answer : 3. "Wind"
Explanation :
Answer: C) Wind Explanation: The energy sources that are constantly being replenished, such as sunlight, wind, and water. This means that we can use them as much as we want, and we do not have to worry about them running out. Additionally, renewable energy sources are usually much more environmentally friendly than fossil fuels. Overall, they release very few chemicals, like carbon dioxide, that can harm the environment. Most of this energy comes from fossil fuels, such as coal, oil, and natural gas. These are nonrenewable energy sources, which means that if we use them all up, we can never get more during our lifetime. Fossil fuels also contribute greatly to global climate change by releasing carbon dioxide into the air when they are burned.
Q: What molecule carries genetic information? 1947 05b5cc699e4d2b4197774c74b
5b5cc699e4d2b4197774c74b- 1RNAfalse
- 2DNAtrue
- 3Proteinsfalse
- 4Nucleotidesfalse
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Answer : 2. "DNA"
Explanation :
Answer: B) DNA Explanation: The nucleus of a cell contains chromosomes, which carry genetic information in a long molecule called DNA. Genes are regions of DNA that carry the code to control a particular cell activity or the production of a particular protein.
Q: तीन पाइप A, B और C 6 घंटे में एक टैंक को भर सकते हैं। 2 घंटे तक एक साथ चालू रहने के बाद पाइप C को बंद किया जाता है तो A और B शेष भाग को 7 घंटे में भर सकते हैं। C द्वारा अकेले टैंक को भरने में लिया गया समय होगा।
1947 05f59f50bdc518b408a3d1724
5f59f50bdc518b408a3d1724- 110 घंटेfalse
- 212 घंटेfalse
- 314 घंटेtrue
- 416 घंटेfalse
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Answer : 3. "14 घंटे"
Q: भारत के तीसरे राष्ट्रपति कौन थे, जिनका अपने कार्यकाल में ही निधन हुआ था ?
1947 05f744277bb26e87e5ee9ae20
5f744277bb26e87e5ee9ae20- 1संजीव रेड्डीfalse
- 2डॉ. जाकिर हुसैनtrue
- 3डॉ. वी. वी. गिरीfalse
- 4इनमें से कोई नहींfalse
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Answer : 2. "डॉ. जाकिर हुसैन"
Q: निम्नलिखित में से किस सभ्यता में मकान एवं बस्तियों के निर्माण में ईंटों का प्रयोग नहीं होता था?
1947 06321bf584eed097ecb52cd66
6321bf584eed097ecb52cd66- 1आहड़false
- 2कालीबंगाfalse
- 3गणेश्वरtrue
- 4बैराठfalse
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Answer : 3. "गणेश्वर"
Q: Ryder Cup is related with which sports? 1947 05b5cc7e1e4d2b419777516ef
5b5cc7e1e4d2b419777516ef- 1Footballfalse
- 2Golftrue
- 3Badmintonfalse
- 4Cricketfalse
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Answer : 2. "Golf"
Explanation :
Answer: B) Golf Explanation:
Q: किसी वस्तु का लागत मूल्य 480 रूपये है। यदि उसे 12.5 प्रतिशत के लाभ पर बेचा जाता है, तो वस्तु का विक्रय मूल्य कितना होगा?
1947 05f1aa68498004644da94fca3
5f1aa68498004644da94fca3- 1500 रूपयेfalse
- 2560 रूपयेfalse
- 3540 रूपयेtrue
- 4492.5 रूपयेfalse
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