Practice Question and Answer
8 Q: Underground water and the water on the earth’s surface is called___
2307 05f08391b70ee59767c9ed3b7
5f08391b70ee59767c9ed3b7- 1Hydrospheretrue
- 2Biospherefalse
- 3Lithospherefalse
- 4thermospherefalse
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Answer : 1. "Hydrosphere"
Q: Rajitha's present age is three years less than twice her age 12 years ago. Also, the ratio of Raj's present age to Rajitha's present age is 4:9. What will be Raj's age after 5 years ? 2307 05b5cc736e4d2b4197774f82d
5b5cc736e4d2b4197774f82d- 117 yrstrue
- 216 yrsfalse
- 319 yrsfalse
- 421 yrsfalse
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Answer : 1. "17 yrs"
Explanation :
Answer: A) 17 yrs Explanation: Let the present age of Raj and Rajitha be 4x and 9x.Then, according to question,9x = 2(9x-12)-3 => 9x = 27 => x = 3Raj's present age = 4x = 12yrs, After 5 years Raj's age will be 12 + 5 = 17 yrs.
Q:Direction: In the following question, select the related letters from the given alternatives.
ADE : FGJ :: KNO : ?
2307 05dbab5b212906e36beddec20
5dbab5b212906e36beddec20- 1PQRfalse
- 2PQTtrue
- 3RQPfalse
- 4TPRfalse
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Answer : 2. "PQT"
Q: Statements:
Some politicians are social workers.
All doctors are social workers.
Conclusion:
I. Some doctors are politicians
II. Some social workers are doctors as well as politicians.
2306 05f6849a732245344c4bc87a0
5f6849a732245344c4bc87a0- 1Both Conclusion I and II followfalse
- 2Only Conclusion I followsfalse
- 3Neither Conclusion I nor II follows.true
- 4Only Conclusion II followsfalse
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Answer : 3. "Neither Conclusion I nor II follows. "
Q: A person has some coins of ₹10, ₹5, and ₹2 denominations. The ratio of the products of the numbers of ₹10 and ₹5 coins, the numbers of ₹5 and ₹2 coins, and the numbers of ₹2 and ₹10 coins is 3: 4: 2 respectively. What could be the minimum amount of money this person has?
2306 0642d310fed76c064b868dce8
642d310fed76c064b868dce8- 1₹52false
- 2₹88false
- 3₹68true
- 4₹74false
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Answer : 3. "₹68 "
Q: The Value of logtan10+logtan20+⋯⋯+logtan890 is 2306 15b5cc7d0e4d2b41977751204
5b5cc7d0e4d2b41977751204- 1-1false
- 20true
- 31/2false
- 41false
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Answer : 2. "0"
Explanation :
Answer: B) 0 Explanation: = log tan10+log tan890 + log tan20+ log tan880+⋯⋯+log tan450 = log [tan10 × tan890] + log [tan20 × tan880 ] +⋯⋯+log1 ∵ tan(90-θ)=cotθ and tan 450=1 = log 1 + log 1 +.....+log 1 = 0.
Q: Stainless steel contains steel and 2306 05b5cc7efe4d2b41977751d71
5b5cc7efe4d2b41977751d71- 1manganesefalse
- 2vanadiumfalse
- 3nickelfalse
- 4chromiumtrue
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Answer : 4. "chromium"
Explanation :
Answer: D) chromium Explanation: Stainless steel contains 18% chromium and 82% steel
Q: 'Kanya Bhagya Shri Yojana' and 'Kalyan Laxmi Yojana' are related to which of the following states?
2306 05f08299e429a37679ec20148
5f08299e429a37679ec20148- 1Telangana and Rajasthanfalse
- 2Maharashtra and Rajasthanfalse
- 3Maharashtra and Telanganatrue
- 4Maharashtra and Rajasthanfalse
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