IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: A tank is filled in eight hours by three pipes K, L and M. Pipe K is twice as fast as pipe L, and L is twice as fast as M. How much time will pipe L alone take to fill the tank ? 1116 05b5cc6dfe4d2b4197774eaee
5b5cc6dfe4d2b4197774eaee- 132 hrsfalse
- 224 hrsfalse
- 328 hrstrue
- 426 hrsfalse
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उत्तर : 3. "28 hrs"
व्याख्या :
Answer: C) 28 hrs Explanation: 1/K + 1/L + 1/M = 1/8 (Given)Also given that K = 2L and L = 2M=> 1/2L + 1/L + 2/L = 1/8=> (1 + 2 + 4)/2L = 1/8=> 2L/7 = 8=> L = 28 hours.
प्र: Microbial Type Culture Collection Centre is situated at 1116 05b5cc62ae4d2b4197774b8cd
5b5cc62ae4d2b4197774b8cd- 1Chandigarhtrue
- 2New Delhifalse
- 3Hyderabadfalse
- 4Bangalorefalse
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उत्तर : 1. "Chandigarh"
व्याख्या :
Answer: A) Chandigarh Explanation:
प्र: 3 : 12 :: 5 : ? 1115 05b5cc6b9e4d2b4197774d702
5b5cc6b9e4d2b4197774d702- 117false
- 230true
- 326false
- 432false
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उत्तर : 2. "30"
व्याख्या :
Answer: B) 30 Explanation: 332 + 3 = 12552 + 5 = 30
प्र: In the following number series, one of the numbers is wrong. Find it out? 77, 79, 76, 81, 75, 85 1115 05b5cc6bee4d2b4197774d965
5b5cc6bee4d2b4197774d965- 179false
- 281false
- 375true
- 485false
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उत्तर : 3. "75"
व्याख्या :
Answer: C) 75 Explanation: Here in the given series, it follows a pattern that 77 + 2 = 79 79 - 3 = 76 76 + 5 = 81 81 - 7 = 74 74 + 11 = 85 Consecutive adding and subtracting of prime numbers. So the wrong number in the given series is 75.
प्र: What are the end products of cellular respiration? 1115 05b5cc62fe4d2b4197774b96f
5b5cc62fe4d2b4197774b96f- 1ATP, Glucosefalse
- 2Glucose, Oxygenfalse
- 3Oxygen, Waterfalse
- 4ATP, Watertrue
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उत्तर : 4. "ATP, Water"
व्याख्या :
Answer: D) ATP, Water Explanation: Cellular respiration is the three-step process by which cells make ATP using glucose and oxygen. Oxygen and glucose are both reactants in the process of cellular respiration. The main product of cellular respiration is ATP, waste products include carbon dioxide and water.
प्र: In the following question four words are given of which two words are most nearly the same or opposite in meaning. Find the two words. ( 1114 05b5cc6c4e4d2b4197774dc9a
5b5cc6c4e4d2b4197774dc9a- 1Soft (false
- 2Fatiguing (true
- 3Discordant (false
- 4Forcefalse
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उत्तर : 2. "Fatiguing ("
व्याख्या :
Answer: B) A-C Explanation: Meaning of Discordant = Harsh That implies Harsh opposite is soft.
प्र: Number Challenge Puzzle ? 1114 05b5cc6d3e4d2b4197774e4be
5b5cc6d3e4d2b4197774e4be- 11true
- 24false
- 35false
- 40false
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उत्तर : 1. "1"
व्याख्या :
Answer: A) 1 Explanation: In each row, Sum of 1st two digit number + last two digit number = Middle two digit number i.e., 1st row 15 + 40 = 55 2nd row 46 + 47 = 93 Similarly, 7x + 16 = 87 => x = 1.
प्र: Which ministry has started the exercise to revise base year to 2017 - 2018 for computation of wholesale inflation? 1114 05b5cc67be4d2b4197774c1e0
5b5cc67be4d2b4197774c1e0- 1Ministry of Commerce and Industrytrue
- 2Ministry of Financefalse
- 3Ministry of Corporate Affairsfalse
- 4All the abovefalse
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उत्तर : 1. "Ministry of Commerce and Industry"
व्याख्या :
Answer: A) Ministry of Commerce and Industry Explanation: The India's commerce and industry ministry has started the exercise to revise base year to 2017-18 for computation of wholesale inflation with a view to present more realistic picture of the price situation In May last year, the government revised the base year for WPI-based inflation to 2011-12 to give a better indication of changes in prices of commodities. The new index, with 2017-18, is expected to have new items, which would provide a more realistic picture of price rise and its impact on people. Most of the additions could be in the manufactured products category. Currently, the index has a total of 697 items, including primary articles, fuel and power and manufactured products.