GATE प्रश्न और उत्तर का अभ्यास करें
8प्र: Lens is made up of which glass 1761 05b5cc66de4d2b4197774bfd4
5b5cc66de4d2b4197774bfd4- 1Ordinary glassfalse
- 2Pyrex glassfalse
- 3Flint glasstrue
- 4Cobalt glassfalse
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उत्तर : 3. "Flint glass"
व्याख्या :
Answer: C) Flint glass Explanation:
प्र: Book is to chapter as organization is to 1761 05b5cc68ee4d2b4197774c3e9
5b5cc68ee4d2b4197774c3e9- उत्तर देखेंउत्तर छिपाएं
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उत्तर :
व्याख्या :
A book is consists of various chapters, so as the Organization consists of various departments. Therefore if Book is to chapter so organization is to department. Hence, Book : Chapter :: Organisation : Department.
प्र: In a 48 ltr mixture, the ratio of milk and water is 5:3. How much water should be added in the mixture so as the ratio will become 3:5 ? 1760 05b5cc6c2e4d2b4197774dbff
5b5cc6c2e4d2b4197774dbff- 124 litfalse
- 216 litfalse
- 332 littrue
- 48 litfalse
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उत्तर : 3. "32 lit"
व्याख्या :
Answer: C) 32 lit Explanation: Given mixture = 48 lit Milk in it = 48 x 5/8 = 30 lit => Water in it = 48 - 30 = 18 lit Let 'L' lit of water is added to make the ratio as 3:5 => 30/(18+L) = 3/5 => 150 = 54 + 3L => L = 32 lit.
प्र: A shopkeeper sells two articles at Rs.1000 each, making a profit of 30% on the first article and a loss of 20% on the second article. Find the net profit or loss that he makes ? 1760 05b5cc6e2e4d2b4197774ec20
5b5cc6e2e4d2b4197774ec20- 10.85 %false
- 20.95 %true
- 31.0 %false
- 41.3 %false
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उत्तर : 2. "0.95 %"
व्याख्या :
Answer: B) 0.95 % Explanation: SP of first article = 1000Profit = 30%CP = (SP)x[100/(100+P)] = 10000/13 SP of second article = 1000Loss = 20%CP = (SP)x[100/(100-L)] = 5000/4 = 1250 Total SP = 2000 Total CP = 10000/13 + 1250 = 2019.23 CP is more than SP, he makes a loss. Loss = CP-SP = 2019.23 - 2000 = 19.23Loss Percent = [(19.23)/(2019.23)]x100 = 0.95 %.
प्र: A, B and C started a company where their initial investments was in the ratio of 2:3:4. At the end of 6 months, A invested an amount such that his total capital became equal to B's initial capital investment. If the annual profit of B is Rs. 3000 then what is the total profit of the company ? 1759 05b5cc6cce4d2b4197774e138
5b5cc6cce4d2b4197774e138- 1Rs. 9500true
- 2Rs. 10600false
- 3Rs. 7500false
- 4Rs. 8900false
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उत्तर : 1. "Rs. 9500"
व्याख्या :
Answer: A) Rs. 9500 Explanation: Given initial investments ratio = 2 : 3 : 4 At the end of 6 months, A invested an amount such that his total capital became equal to B's initial capital investment i.e, upto 6 months A's investment is 2 and after 6 months his invstment is 3 = B's investment Now, Ratio of investment for one year => A : B : C = (2×6 + 3×6) : (3×12) : (4×12) = 30 : 36 : 48 = 5 : 6 : 8 But given B's profit = 3000 => 6 ratio = 3000 For total => 19 ratio = Rs. 9500.
प्र: Nucleus of Hydrogen atom consists of 1759 05b5cc6aee4d2b4197774d149
5b5cc6aee4d2b4197774d149- 12 protons onlyfalse
- 22 neutrons onlyfalse
- 31 proton onlytrue
- 41 electron onlyfalse
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उत्तर : 3. "1 proton only"
व्याख्या :
Answer: C) 1 proton only Explanation: The nucleus of hydrogen consists of only a single proton. Its parts are a single negatively-charged electron that circles a single positively-charged nucleus of the hydrogen atom. The electron is bound to the nucleus by the Coulomb force.
प्र: Who has become world's no.1 Junior Badminton player in 2017 ? 1758 05b5cc75ee4d2b4197774fce3
5b5cc75ee4d2b4197774fce3- 1Chia Hao Leefalse
- 2Lakshya Sentrue
- 3Chirag Senfalse
- 4Karthikey Gulshan Kumarfalse
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उत्तर : 2. "Lakshya Sen"
व्याख्या :
Answer: B) Lakshya Sen Explanation: India's Lakshya Sen has become the World No 1 Junior Badminton player. He achieved the distinction in the latest rankings of the Badminton World Federation (BWF). Fifteen-year-old is the first shuttler from Uttarakhand to attain the numero uno spot at the international level. Lakshya, who is considered as the shining future star of Indian badminton, moved ahead of Chia Hao Lee of the Chinese Taipei, to attain the top spot. According to BWF current rankings, Lakshya has 16,903 points in eight tournaments he has played in the season. Chia Hao, who is at the second spot, has 16,091 points.
प्र: 74.99% of 1299 + 8.98% of 1899 = ? 1757 05b5cc6b0e4d2b4197774d2b2
5b5cc6b0e4d2b4197774d2b2- 11378false
- 21301false
- 31212true
- 41197false
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उत्तर : 3. "1212"
व्याख्या :
Answer: C) 1212 Explanation: 74.99% of 1299 + 8.98% of 1899 = ? ? = 75 x 1400100 + 9 x 1800100 ? = 1050 + 162? = 1212.

