GRE प्रश्न और उत्तर का अभ्यास करें
8प्र: Which of the following is not a fossil fuel? 1911 05b5cc69fe4d2b4197774ca23
5b5cc69fe4d2b4197774ca23- 1Natural Gasfalse
- 2Uraniumtrue
- 3Coalfalse
- 4Petroleumfalse
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उत्तर : 2. "Uranium"
व्याख्या :
Answer: B) Uranium Explanation: Uranium is not a fossil fuel whereas coal, petroleum and natural gas are all natural resources. Fossil fuels are hydrocarbons, primarily coal, fuel oil or natural gas, formed from the remains of dead plants and animals. In common dialogue, the term fossil fuel also includes hydrocarbon-containing natural resources that are not derived from animal or plant sources
प्र: The ratio of present ages of Hema and Chinnu is 13:17. Four years ago the ratio of their ages was 11:15. What will be the ratio of their ages six years hence ? 1908 05b5cc736e4d2b4197774f86f
5b5cc736e4d2b4197774f86f- 13 : 7false
- 27 : 9false
- 34 : 5true
- 41 : 3false
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उत्तर : 3. "4 : 5"
व्याख्या :
Answer: C) 4 : 5 Explanation: Let their present ages be 13x and 17x.Then, 13x-4/17x-4 = 11/15. Solving this, we get x = 2.Required ratio = 13x2 + 6/17x2 + 6 = 32/40 = 4/5.
प्र: A seven letter word containing thousands of letters is what? 1901 05b5cc695e4d2b4197774c519
5b5cc695e4d2b4197774c519- उत्तर देखेंउत्तर छिपाएं
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उत्तर :
व्याख्या :
It is a Postbox or a Mailbox which contains thousands of letters or mails or messages.
प्र: P’s son Q is married with R whose sister S is married to T the brother of Q. How S is related to P ? 1901 05b5cc761e4d2b4197774fd2f
5b5cc761e4d2b4197774fd2f- 1Daughter-in-lawtrue
- 2Sisterfalse
- 3Cousinfalse
- 4Sister-in-lawfalse
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उत्तर : 1. "Daughter-in-law"
व्याख्या :
Answer: A) Daughter-in-law Explanation: Since T is the brother of QTherefore, P is the father of Tbut S is the wife of T.Hence, S is the daughter-in-law of P.
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उत्तर :
व्याख्या :
52 C in a P represents 52 Cards in a Pack. Similar to 12 S of the Z 5 C in an OF
प्र: I shrink smaller every time I take a bath. What am I ? 1899 05b5cc662e4d2b4197774be96
5b5cc662e4d2b4197774be96- उत्तर देखेंउत्तर छिपाएं
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उत्तर :
व्याख्या :
A Soap. Yes, it gets shrinks smaller every time we take a bath.
प्र: On her deathbed, a grand mother called upon his three grand sons and told them to distribute all her assets worth Rs. 52,500 in the ratio of 1/35 : 1/21 : 1/15 amongst themselves. Find the smallest share amongst the three portions ? 1896 05b5cc761e4d2b4197774fd3f
5b5cc761e4d2b4197774fd3f- 1Rs. 5422false
- 2Rs. 10,500true
- 3Rs. 12,800false
- 4Rs. 15,000false
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उत्तर : 2. "Rs. 10,500"
व्याख्या :
Answer: B) Rs. 10,500 Explanation: The ratio of distribution should be: 21 x 15 : 15 x 35 : 35 x 21= 315 : 525 : 735 = 3 : 5 : 7The smallest share will be of worth: 3/15 x 52,500 = Rs. 10,500
प्र: The price of pulses has increased by 25%. The percentage of reduction that a family should effect in the use of pulses so as not to increase the expenditure on this account is ? 1894 05b5cc75ce4d2b4197774fc3e
5b5cc75ce4d2b4197774fc3e- 116%false
- 220%true
- 384%false
- 472%false
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उत्तर : 2. "20%"
व्याख्या :
Answer: B) 20% Explanation: Reduction in consumption= P100+P X 100%= 25100+25 X 100%= 20%

