GATE प्रश्न और उत्तर का अभ्यास करें
8प्र: Manideep purchases 30kg of barley at the rate of 11.50/kg and 20kg at the rate of 14.25/kg. He mixed the two and sold the mixture in the shop. At what price per kg should he sell the mixture to make 30% profit to him ? 1594 05b5cc6c5e4d2b4197774ddc3
5b5cc6c5e4d2b4197774ddc3- 115.84false
- 214.92false
- 313.98false
- 416.38true
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उत्तर : 4. "16.38"
व्याख्या :
Answer: D) 16.38 Explanation: Given, Manideep purchases 30kg of barley at the rate of 11.50/kg nad 20kg at the rate of 14.25/kg. Total cost of the mixture of barley = (30 x 11.50) + (20 x 14.25) => Total cost of the mixture = Rs. 630 Total kgs of the mixture = 30 + 20 = 50kg Cost of mixture/kg = 630/50 = 12.6/kg To make 30% of profit => Selling price for manideep = 12.6 + 30% x 12.6 => Selling price for manideep = 12.6 + 3.78 = 16.38/kg.
प्र: The amount of water vapor in the air is 1593 05b5cc6a6e4d2b4197774cdc0
5b5cc6a6e4d2b4197774cdc0- 1Hot airfalse
- 2Humiditytrue
- 3Dewfalse
- 4Foamfalse
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उत्तर : 2. "Humidity"
व्याख्या :
Answer: B) Humidity Explanation: The amount of water vapor ranges from a trace amount up to 4% of the mass of air. Water vapor exists as an invisible gas in the air. The amount of water vapor in the air is called absolute humidity. The amount of water vapor in the air as compared with the amount of water that the air could hold is called relative humidity. The maximum amount of water vapor that can be in the air depends on the air temperature.
प्र: 1 Billion Seconds Equals to 1593 05b5cc6afe4d2b4197774d24f
5b5cc6afe4d2b4197774d24f- 134.76 yearsfalse
- 232.48 yearsfalse
- 333.31 yearsfalse
- 431.68 yearstrue
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उत्तर : 4. "31.68 years"
व्याख्या :
Answer: D) 31.68 years Explanation: We know that 1 year = 365.25 days 1 day = 24 hours 1 hour = 60 minutes 1 minute = 60 seconds => 1 Year = 365.25 x 24 x 60 x 60 Seconds But 1 billion seconds = ? 1 Year = 365.25 x 24 x 60 x 60 Seconds ? = 1000000000 Seconds ? = 1000000000365.25 x 24 x 60 x 60 years = 31. 68 years.
प्र: What gets bigger the more you take away? 1593 05b5cc696e4d2b4197774c5a4
5b5cc696e4d2b4197774c5a4- उत्तर देखेंउत्तर छिपाएं
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उत्तर :
व्याख्या :
A Hole gets bigger and bigger as you take more away from it.
प्र: What is the maximum velocity with which a body of mass 'm' must enter a vertical loop of radius 'R'so that it can complete the loop? 1592 05b5cc6f1e4d2b4197774ef91
5b5cc6f1e4d2b4197774ef91- 10false
- 2gRfalse
- 32gRfalse
- 45gRtrue
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उत्तर : 4. "5gR"
व्याख्या :
Answer: D) D Explanation: To complete the vertical loop, the minimum speed required at the lowest point = 5gR.
प्र: An implied power is one that 1591 05b5cc655e4d2b4197774bd6e
5b5cc655e4d2b4197774bd6e- उत्तर देखेंउत्तर छिपाएं
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उत्तर :
व्याख्या :
Implied powers are powers of U.S. government which have not been explicitly granted by the Constitution but that is implied by the necessary and proper clause to be delegated for the purpose of carrying out the enumerated powers.
प्र: Nine different letters of alphabet are given, words with 5 letters are formed from these given letters. Then, how many such words can be formed which have at least one letter repeated ? 1590 05b5cc6c6e4d2b4197774de0e
5b5cc6c6e4d2b4197774de0e- 143929true
- 259049false
- 315120false
- 40false
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उत्तर : 1. "43929"
व्याख्या :
Answer: A) 43929 Explanation: Number of words with 5 letters from given 9 alphabets formed = 95 Number of words with 5 letters from given 9 alphabets formed such that no letter is repeated is = 9P5 Number of words can be formed which have at least one letter repeated = 95 - 9P5 = 59049 - 15120 = 43929
प्र: Choose the missing terms in the given series from the four alternatives given below. GMQ, JOT, MQW, ? 1590 05b5cc76ae4d2b4197774fe6b
5b5cc76ae4d2b4197774fe6b- 1PTZfalse
- 2ORYfalse
- 3VXYfalse
- 4PSZtrue
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उत्तर : 4. "PSZ"
व्याख्या :
Answer: D) PSZ Explanation: The first letter moves three steps forward. The second letter moves two steps forward. The third letter moves three steps forward.

