Practice Question and Answer
8Q: An element which is preserved under water is 2363 05b5cc7f0e4d2b41977751db7
5b5cc7f0e4d2b41977751db7- 1sodiumfalse
- 2sulphurfalse
- 3red phosphorusfalse
- 4white phosphorustrue
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Answer : 4. "white phosphorus"
Explanation :
Answer: D) white phosphorus Explanation: White phosphorus undergoes spontaneous combustion when exposed to air. In order to prevent this spontaneous ignition, it is preserved under water.
Q: नीचे दिए गए चार जोड़ी शब्द जिनमें से तीन किसी तरह से समान हैं और एक जोड़ी अलग है। कौन-सी अन्य सबसे अलग है?
2363 05ec7be3a112c8637e1b496a2
5ec7be3a112c8637e1b496a2- 1विस्तृत : चौड़ाfalse
- 2हलका : भारीtrue
- 3नन्हा: छोटाfalse
- 4बड़ा: विशालfalse
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Answer : 2. "हलका : भारी "
Q: During which decade did India see a negative population growth 2363 05c4ac9e39bf54c142947202e
5c4ac9e39bf54c142947202e- 11901-11false
- 21931-41false
- 31911-21true
- 41951-61false
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Answer : 3. "1911-21"
Q: मधुबनी पेंटिग निम्न राज्यों में से है किस राज्य से जुड़ा हुआ है?
2363 05e4e0dde701cfd31ff667269
5e4e0dde701cfd31ff667269- 1उत्तर प्रदेशfalse
- 2पश्चिम बंगालfalse
- 3झारखंडfalse
- 4बिहारtrue
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Answer : 4. "बिहार"
Q: दिए गए आकृति में त्रिभुजों तथा वर्गों की संख्या ज्ञात कीजिए।
2363 05fe08417ad63cf10fae7c584
5fe08417ad63cf10fae7c584- 126 त्रिभुज, 5 वर्गfalse
- 228 त्रिभुज, 5 वर्गfalse
- 326 त्रिभुज, 6 वर्गtrue
- 428 त्रिभुज, 6 वर्गfalse
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Answer : 3. "26 त्रिभुज, 6 वर्ग "
Q: Fuse Wire is Made of? 2363 05b5cc6b4e4d2b4197774d4f7
5b5cc6b4e4d2b4197774d4f7- 1an alloy of Tin and Leadtrue
- 2Nickelfalse
- 3Copperfalse
- 4an alloy of Nickel and Leadfalse
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Answer : 1. "an alloy of Tin and Lead"
Explanation :
Answer: A) an alloy of Tin and Lead Explanation: Fuse Wire is Made of an alloy of Tin and Lead. If too high a current flows, the element rises to a higher temperature and either directly melts, or else melts a soldered joint within the fuse, opening the circuit. Thefuse element is made of an alloy of Tin and Lead to provide stable and predictable characteristics.
Q: (i). There is a group of five persons – A, B, C, D and E. (ii). One of them is a horticulturist, one is a physicist, one is a journalist, one is an industrialist and one is an advocated. (iii). Three of them – A, C and advocate prefer tea to coffee and two of them – B and the journalist prefer coffee to tea. (iv). The industrialist and D and A are friend to one another but two of these prefer coffee to tea. (v). The horticulturist is C`s brother. Who is a physicist ? 2363 05d09f53edd8caf3027ad90af
5d09f53edd8caf3027ad90af- 1Afalse
- 2Efalse
- 3Dfalse
- 4Ctrue
- 5Bfalse
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Answer : 4. "C"
Q:निम्नलिखित प्रश्नों में दो समीकरण I और II दिए गए हैं। आपको दोनों समीकरणों को हल करना होगा और जवाब देना होगा
Give answer (A) If x > y
Give answer (B) if x ≥ y
Give answer (C) if x<y
Give answer (D) If x ≤ y
Give answer (E) if x=y or the relationship cannot be established.
I. 5x+2y=31
II. 3x+7y=36
2363 05da06e7900e22578c9e9e8da
5da06e7900e22578c9e9e8da- 1Atrue
- 2Bfalse
- 3Cfalse
- 4Dfalse
- 5Efalse
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