IIT JEE प्रश्न और उत्तर का अभ्यास करें
8प्र: A house owner wants to get his house painted. He is told that this would require 45 kg of paint allowing 6% wasting. And if the paint is available in 4 kg tins only, the number of tins required for painting the house is ? 2017 05b5cc6d1e4d2b4197774e3e3
5b5cc6d1e4d2b4197774e3e3- 112true
- 213false
- 311false
- 410false
- उत्तर देखेंउत्तर छिपाएं
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उत्तर : 1. "12"
व्याख्या :
Answer: A) 12 Explanation: Given 45 kg for painting And 6% 0f 45 for wasting => 6x45/100 = 2.7 kg Now total paint required = 45+2.7 = 47.7 kgs But tins are available in only 4kgs Then, no. of tins req = 47.7/4 = 11.4 => 12 tins
प्र: Country : President :: State : ? 2016 05b5cc69de4d2b4197774c8bc
5b5cc69de4d2b4197774c8bc- 1Governortrue
- 2Speakerfalse
- 3Prime Ministerfalse
- 4Chief Ministerfalse
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उत्तर : 1. "Governor"
व्याख्या :
Answer: A) Governor Explanation: The President is the highest officer in the country. Similarly, Governor is the highest officer of the state. Hence, Country : President :: State : Governor.
प्र: 5 boys and 3 girls can together cultivate a 23 acre field in 4 days and 3 boys and 2 girls together can cultivate a 7 acre field in 2 days. How many girls will be needed together with 7 boys, if they cultivate 45 acres of field in 6 days? 2015 05b5cc60ae4d2b4197774b5bf
5b5cc60ae4d2b4197774b5bf- 14false
- 23false
- 32true
- 41false
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उत्तर : 3. "2"
व्याख्या :
Answer: C) 2 Explanation: Let workdone 1 boy in 1 day be b and that of 1 girl be g From the given data, 4(5b + 3g) = 23 20b + 12g = 23 .......(a) 2(3b + 2g) = 7 6b + 4g = 7 ........(b) Solving (a) & (b), we get b = 1, g = 1/4 Let number og girls required be 'p' 6(7 x 1 + p x 1/4) = 45 => p = 2. Hence, number of girls required = 2
प्र: When during the Cell Cycle are Chromosomes visible? 2015 05b5cc6aae4d2b4197774cf6a
5b5cc6aae4d2b4197774cf6a- 1only during interphasefalse
- 2only during cell divisiontrue
- 3only during G1 phasefalse
- 4only during they are replicatedfalse
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उत्तर : 2. "only during cell division"
व्याख्या :
Answer: B) only during cell division Explanation: During most of the cell cycle, interphase, the chromosomes are somewhat less condensed and are not visible as individual objects under the light microscope. However during cell division, mitosis, the chromosomes become highly condensed and are then visible as dark distinct bodies within the nuclei of cells. The chromosomes are most easily seen and identified at the metaphase stage of cell division and most of the chromosome images in this gallery are pictures of metaphase chromomosomes. The cell division takes place in mitosis stage.
प्र: Cassock : Priest :: ? : Graduate 2015 05b5cc68ee4d2b4197774c3ef
5b5cc68ee4d2b4197774c3ef- 1Gowntrue
- 2Tiefalse
- 3Capfalse
- 4Coatfalse
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उत्तर : 1. "Gown"
व्याख्या :
Answer: A) Gown Explanation: A Christian Priest wears cassock while a Graduate wears gown. Hence, Cassock : Priest :: Gown : Graduate.
प्र: Who is the author of the book "No Full Stops in India" ? 2015 15b5cc6cee4d2b4197774e265
5b5cc6cee4d2b4197774e265- 1R. K. Narayanfalse
- 2Mark Tullytrue
- 3C. Narayan Reddyfalse
- 4Ved Mehtafalse
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उत्तर : 2. "Mark Tully"
व्याख्या :
Answer: B) Mark Tully Explanation:
प्र: Which best describes somatic mutations? 2013 05b5cc615e4d2b4197774b6ae
5b5cc615e4d2b4197774b6ae- 1transmitted to progenytrue
- 2not transmitted to progenyfalse
- 3Can't be identifiedfalse
- 4None of the abovefalse
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उत्तर : 1. "transmitted to progeny"
व्याख्या :
Answer: A) transmitted to progeny Explanation: The best example for somatic mutation would be cancer, familial cancer (which transmits through gametes to the next generation) are not so common while sporadic cancer is seen the most where body cells of a particular area goes through mutations for a number of years and becomes cancerous, but it is not transmitted to next generation.
प्र: What is the feminine of bull ? 2013 05b5cc6d7e4d2b4197774e723
5b5cc6d7e4d2b4197774e723- 1Mulefalse
- 2Ostrichfalse
- 3Tigressfalse
- 4Heifertrue
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उत्तर : 4. "Heifer"
व्याख्या :
Answer: D) Heifer Explanation:

