Practice Question and Answer
8Q: Stand-UP India Scheme relates to encouraging. 2432 05c9869adcaba287aea94342a
5c9869adcaba287aea94342a- 1Small exportersfalse
- 2SC/ST entrepreneurstrue
- 3Women entrepreneursfalse
- 4SC/ST students to study abroadfalse
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Answer : 2. "SC/ST entrepreneurs"
Q: The average of the ages of Sumit, Krishna and Rishabh is 43 years and the average of the ages of Sumit, Rishabh and Rohit is 49 years. If Rohit is 54 years old, what is Krishna'a age ? 2432 05b5cc71be4d2b4197774f4f4
5b5cc71be4d2b4197774f4f4- 148 yrsfalse
- 242 yrsfalse
- 340 yrsfalse
- 436 yrstrue
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Answer : 4. "36 yrs"
Explanation :
Answer: D) 36 yrs Explanation: Let present ages of Sumit=w, Krishna=x, Rishabh=y and Rohit=z , thenw+x+y = 43x3 = 129 ---(i) andw+y+z = 49x3 = 147 ---(ii)Subtracting (i) from (ii), (w+y+z) - (w+x+y)=147 -129 , z- x =18 ---(iii)Given Rohit's age => z = 54, so from (iii), x = 54-18 = 36
Q: The sum of a positive integer and its square is 2450. The positive integer is :
2432 05ef02a3e7cd71c794468ee29
5ef02a3e7cd71c794468ee29- 145false
- 248false
- 349true
- 450false
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Answer : 3. "49 "
Q: ‘Monkey Valley’ is the name of-
2431 05e4cb352dfffd759fd0aaf9e
5e4cb352dfffd759fd0aaf9e- 1Nahargarhfalse
- 2Amerfalse
- 3Galtajitrue
- 4Jaigarhfalse
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Answer : 3. "Galtaji"
Q: Name a common greenhouse gas containing only hydrogen and oxygen? 2431 05b5cc699e4d2b4197774c675
5b5cc699e4d2b4197774c675- 1CH4false
- 2O3false
- 3H2Otrue
- 4NOfalse
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Answer : 3. "H2O"
Explanation :
Answer: C) H2O Explanation: The common greenhouse gas containing only hydrogen and oxygen is H2O, this is water vapor. The common greenhouse gases are water vapor, carbon dioxide, methane, nitrous oxide, and ozone. The composition (chemical formula) of those gases are: Water vapor: H2OCarbon dioxide: CO2Methane: CH4Nitrous oxide: NOOzone: O3. As you see the only one of those that contains only hydrogen and oxygen is H2O, water vapor.
Q: The coding or scrambling of data so that humans cannot read them, is known as _____. 2431 05b5cc6c1e4d2b4197774db69
5b5cc6c1e4d2b4197774db69- 1Compressionfalse
- 2Encryptiontrue
- 3Ergonomicsfalse
- 4Biometricsfalse
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Answer : 2. "Encryption"
Explanation :
Answer: B) Encryption Explanation: The coding or scrambling of data so that humans cannot read them is known as encryption.
Q: Who has won the Maulana Abul Kalam Azad Trophy for the year 2020?
2430 05f45f2ca9d816875be3fdc57
5f45f2ca9d816875be3fdc57- 1University of Delhifalse
- 2Punjab Universitytrue
- 3Patna Universityfalse
- 4Banaras Hindu Universityfalse
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Answer : 2. "Punjab University"
Q: The central control of respiratory activity in human body is exercised by
2430 05f2912347079852b5537d42c
5f2912347079852b5537d42c- 1medulla oblongatatrue
- 2hypothalamusfalse
- 3cerebrumfalse
- 4Cerebellumfalse
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