Practice Question and Answer
8Q: If the price of a commodity is decreased by 20% and its consumption is increased by 10%, what will be the increase or decrease in the expenditure on the commodity? 1848 05b5cc6a2e4d2b4197774cb70
5b5cc6a2e4d2b4197774cb70- 1increase 12%false
- 2decrease 12%true
- 3increase 16%false
- 4decrease 16%false
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Answer : 2. "decrease 12%"
Explanation :
Answer: B) decrease 12% Explanation: Given the price of a commodity is decreased by p = 20% And its consumption is increased by q = 10% Now, required increase or decrease in the expenditure on the commodity can be p + q + pq/100 = -20 + 10 - 200/100 = -10 - 2 = -12%. Hence, decrease in the expenditure = 12%
Q: Which of the following diseases is usually spread with milk?
1848 05fb37a1bcb95815ec70cd3d5
5fb37a1bcb95815ec70cd3d5- 1Plaguefalse
- 2Poliofalse
- 3Atanjwartrue
- 4Rohinifalse
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Answer : 3. "Atanjwar"
Q: RAM of a computer is the______.
1848 05f852f8d86e57719fdc0b162
5f852f8d86e57719fdc0b162- 1Primary memorytrue
- 2Secondary memoryfalse
- 3Tertiary memoryfalse
- 4All of thesefalse
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Answer : 1. "Primary memory"
Q: The meaning of the name 'Himalaya' in Sanskrit is
1848 05ff58d2390f7ff566f01ec49
5ff58d2390f7ff566f01ec49- 1Abode of Snowtrue
- 2Peak of Heavenfalse
- 3Rocky Mountainsfalse
- 4Peak of Riversfalse
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Answer : 1. "Abode of Snow"
Q: George Laurer, who recently passed away was the inventor of which of the following services?
1848 05df70464392583635dd044dc
5df70464392583635dd044dc- 1Barcodetrue
- 2MICRfalse
- 3RTGSfalse
- 4None of thesefalse
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Answer : 1. "Barcode"
Q: What should be added to $$ {10 \ over 11} $$ to get the sum $$ {11 \ over 10} $$?
1848 05f87f21158d85e164c540384
5f87f21158d85e164c540384- 1$$ {1\over 55}$$false
- 2$$ {2\over 11}$$false
- 3$$ {21\over 110}$$true
- 4$$ {1\over 5}$$false
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Answer : 3. "$$ {21\over 110}$$"
Q: Vivek is 30% more efficient than Neha. How much time will they, working together, take to complete a job which Vivek alone could have done in 23 days?
1848 06142c18f7bf581140ee3d465
6142c18f7bf581140ee3d465- 113 daystrue
- 255 daysfalse
- 314 daysfalse
- 417 daysfalse
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Answer : 1. "13 days "
Q: December 01 is celebrated as which day worldwide?
1848 05fc78ae5d0af4c56f5e87631
5fc78ae5d0af4c56f5e87631- 1World Heja Dayfalse
- 2World Cancer Dayfalse
- 3World TB Dayfalse
- 4World AIDS Daytrue
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