IIT JEE प्रश्न और उत्तर का अभ्यास करें

प्र: Name the Indian player who was chosen by the Indian Olympic Association (IO 1591 0

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    as the flag-bearer of the Indian contingent for the opening ceremony of the Gold Coast Commonwealth Games. A) P V Sindhu
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    Deepa Karmakar
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    Saina Nehwal
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    A) P V Sindhu B) Deepa Karmakar C) Saina Nehwal D)
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उत्तर : 1. "as the flag-bearer of the Indian contingent for the opening ceremony of the Gold Coast Commonwealth Games. A) P V Sindhu"
व्याख्या :

Answer: A) P V Sindhu Explanation: Indian Olympic Association (IOA) chooses P.V. Sindhu as the flag-bearer of the Indian contingent for the opening ceremony of the Gold Coast Commonwealth Games. The opening ceremony will be held on April 4, 2018.

प्र: If every seconds Saturday and all Sundays are holidays in a 30 days month beginning on Saturday, then how many working days are there in that month ? (Month starts from Saturday) 1591 0

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    25
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    22
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    24
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    23
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उत्तर : 4. "23"
व्याख्या :

Answer: D) 23 Explanation: As month begins on Saturday, so 2nd, 9th, 16th, 23rd, 30th days will be Sundays. While 8th and 22nd days are second Saturdays. Thus, there are 7 holidays in all. Hence, no. of working days = 30 – 7 =23

प्र: When was Zoroastrianism founded? 1591 0

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    4th century BCE
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    6th century BCE
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    8th century BCE
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    10th century BCE
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उत्तर : 2. "6th century BCE"
व्याख्या :

Answer: B) 6th century BCE Explanation: Zoroastrianism is one of the world's oldest extant religions. It is the ancient pre-Islamic religion of Iran that survives there in isolated areas and, more prosperously, in India, where the descendants of Zoroastrian Iranian (Persian) immigrants are known as Parsis, or Parsees.   The Iranian prophet and religious reformer Zarathustra flourished before the 6th century BCE more widely known outside Iran as Zoroaster is traditionally regarded as the founder of the religion.   Zoroastrianism contains both monotheistic and dualistic features. It likely influenced the other major Western religions—Judaism, Christianity, and Islam.

प्र: What is the value of KL ? Statement A: K2= 4.Statement B: L = 0. 1591 0

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    Only A is sufficient
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    Only B is sufficient
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    Both (A) and (B) are sufficient
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    A) and (B) are sufficient D)
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उत्तर : 2. "Only B is sufficient"
व्याख्या :

Answer: B) Only B is sufficient Explanation: From statement B,  As the value of L = 0, the value of KL = 0. Hence only statement B is sufficient.

प्र: Which of the following languages is a Slavic Language? 1591 0

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    Polish
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    Flemish
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    Romanian
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    Gaelic
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उत्तर : 1. "Polish"
व्याख्या :

Answer: A) Polish Explanation: Slavic languages, also called Slavonic languages, a subfamily of the Indo-European family of languages Eastern European ethnic group, commonly associated with Russia, the Baltic States, and other Eastern European countries. peoples of the lands of today's Eastern Europe and Russia have excited curiosity and beckoned visitors. Key to these peoples and cultures are the Slavic languages: 1. Russian, 2. Ukrainian, 3. Polish, 4. Czech, and 5. Bosnian/Croatian/Serbian.   Flemish is the language of many Belgians. Romanians are more Hungarian or Balkans-affiliated than Russian. Gaelic is the language of the Celts (Scotland/Ireland).

प्र: Finger like ends of the fallopian tubes are called 1591 0

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    Fimbriae
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    Cysts
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    Papillae
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    Labia
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उत्तर : 1. "Fimbriae"
व्याख्या :

Answer: A) Fimbriae Explanation: The fimbriae of the uterine tube, also known as fimbriae tubae, are small, fingerlike projections at the end of the fallopian tubes, through which eggs move from the ovaries to the uterus. The fimbriae are connected to the ovary.

प्र: A & B invest Rs. 1,16,000 & 1,44,000 respectively. B invests for 6 months. At the end of the year, B’s share is Rs. 9000, find the overall profit? 1591 0

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    Rs. 23,500
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    Rs. 19,780
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    Rs. 21,700
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    Rs. 20,050
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उत्तर : 1. "Rs. 23,500"
व्याख्या :

Answer: A) Rs. 23,500 Explanation: Given A & B in partnership A Invests 116000 for 12 months  => A's share = 116000 x 12 = 13,92,000 B Invests for 6 months => B's share = 144000 x 6 = 8,64,000 Their Ratio = 1392 : 864 = 29 : 18 Let the Annual profit = P Given B's share = Rs. 9000 => 18/47 x P = 9000 => P = 9000 x 47/18 => P = 23,500 Hence, Overall profit = P = Rs. 23,500

प्र: 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 ? 1590 0

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    15.84
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    14.92
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    13.98
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    16.38
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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.

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