प्रश्न और उत्तर का अभ्यास करें
8प्र: A की क्षमता B से तीन गुणी है दोनों मिलकर एक काम 15 दिन में कर सकते हैं तो अकेला B उसी काम को कितने दिन में करेगा? 3095 05d1488909aeb0a08f1e67455
5d1488909aeb0a08f1e67455- 140false
- 260true
- 330false
- 420false
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उत्तर : 2. "60"
प्र: The gas predominantly responsible for global warming is 3095 05b5cc675e4d2b4197774c0fc
5b5cc675e4d2b4197774c0fc- 1Carbon monoxidefalse
- 2Nitrous oxidefalse
- 3Nitrogen peroxidefalse
- 4Carbondioxidetrue
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उत्तर : 4. "Carbondioxide"
व्याख्या :
Answer: D) Carbondioxide Explanation: 72% of the totally emitted greenhouse gases is carbon dioxide. Hence, Carbon dioxide (Co2) is predominantly responsible for Global warming.
प्र: निम्नलिखित पैटर्न को पूरा करने के लिए सही विकल्प को चुनिए?
3095 05f604f4a2eed863f3a807b1e
5f604f4a2eed863f3a807b1e- 1false
- 2false
- 3false
- 4true
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उत्तर : 4. "
"
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उत्तर : 1. "A"
प्र: Kisan Ghat in Delhi is the memorial ground of which famous leader? 3094 05c403bb6f5cebd0f608ea712
5c403bb6f5cebd0f608ea712- 1Charan Singhtrue
- 2Rajiv Gandhifalse
- 3Jagjivan Ramfalse
- 4Morarji Desaifalse
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उत्तर : 1. "Charan Singh"
प्र:In the following sentence found out whether there is any error in any part of the sentence. If there is error mark your answer letter corresponding to that part a,b,c or d.If there is no error mark your answer ‘e’.
My elder brother and sister(a)/ helps me(b) / in(c)/ my home work(d).
3094 05deb1103a4034f3621499228
5deb1103a4034f3621499228- 1Afalse
- 2Btrue
- 3Cfalse
- 4Dfalse
- 5Efalse
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उत्तर : 2. "B"
प्र: Dhanraj Pillay is related to which sports ? 3093 05b5cc6cde4d2b4197774e195
5b5cc6cde4d2b4197774e195- 1Cricketfalse
- 2Hockeytrue
- 3Golffalse
- 4Footballfalse
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उत्तर : 2. "Hockey"
व्याख्या :
Answer: B) Hockey Explanation: Dhanraj Pillay is a retired Indian field hockey player and former captain of the Indian national team.He currently serves as the manager of the team.
प्र: A box contains 5 detective and 15 non-detective bulbs. Two bulbs are chosen at random. Find the probability that both the bulbs are non-defective. 3092 05b5cc7d1e4d2b4197775124f
5b5cc7d1e4d2b4197775124f- 15/19false
- 23/20false
- 321/38true
- 4None of thesefalse
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उत्तर : 3. "21/38"
व्याख्या :
Answer: C) 21/38 Explanation: n(S) = C220 = 190 n(E) = C215 = 105 Therefore, P(E) = 105/190 = 21/38

