प्रश्न और उत्तर का अभ्यास करें

प्र: NASA and ISRO to come together to inspect 'oldest civilisation' site in ____________ . 1759 0

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    Gujarat
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    Rajasthan
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    Haryana
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    Telangana
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उत्तर : 3. "Haryana"
व्याख्या :

Answer: C) Haryana Explanation: Teams of the National Aeronautics and Space Administration (NASA) of the United States and the Indian Space Research Organisation (ISRO) would inspect the excavation being carried out at an archaeological site in Haryana’s Fatehabad district to verify claims of it being the oldest civilisation in the world. Archaeologists have recovered artefacts pre-dating the Harappan Civilisation from the site, located in village Kunal in Fatehabad district.

प्र: What is the theme of 2017 World Telecommunication and Information Society Day (WTISD)  ? 1050 0

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    Entrepreneurship for social impact
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    Reduce digital divide
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    D)  ? A) Entrepreneurship for social impact B) Reduce digital divide C)
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    ? A) Entrepreneurship for social impact B) Reduce digital divide C) Promote digital education for social welfare D) Big data for big impact
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उत्तर : 4. "? A) Entrepreneurship for social impact B) Reduce digital divide C) Promote digital education for social welfare D) Big data for big impact"
व्याख्या :

Answer: D) Big data for big impact Explanation: The World Telecommunication and Information Society Day (WTISD) is observed every year on May 17 to mark the anniversary of the signing of the first International Telegraph Convention (ITC) and the creation of the International Telecommunication Union (ITU). The purpose of the day is to help raise awareness of the possibilities that the use of the Internet and other information and communication technologies (ICT) can bring to societies and economies, as well as of ways to bridge the digital divide. The 2017 theme “Big Data for Big Impact” focuses on the power of Big Data for development and aims to explore how to turn imperfect, complex, often unstructured data into actionable information in a development context.

प्र: When was the Supreme Court of India first inaugurated  ? 1672 0

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    28th January, 1950
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    26th November, 1949
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    30th January, 1949
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    15th August, 1947
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उत्तर : 1. "28th January, 1950"
व्याख्या :

Answer: A) 28th January, 1950 Explanation: The Supreme Court of India was established on 28th January, 1950. The Supreme Court followed the Federal Court of India which was founded under the Government of India Act, 1935.

प्र: A man could buy a certain number of notebooks for Rs.300. If each notebook cost is Rs.5 more, he could have bought 10 notebooks less for the same amount. Find the price of each notebook ? 2457 0

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    15
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    20
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    10
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    8
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उत्तर : 3. "10"
व्याख्या :

Answer: C) 10 Explanation: Let the price of each note book be Rs.x. Let the number of note books which can be brought for Rs.300 each at a price of Rs.x be y. Hence xy = 300 => y = 300/x (x + 5)(y - 10) = 300 => xy + 5y - 10x - 50 = xy =>5(300/x) - 10x - 50 = 0 => -150+x2+5x multiplying both sides by -1/10x => x2+15x-10x-150=0 => x(x + 15) - 10(x + 15) = 0 => x = 10 or -15 As x>0, x = 10.

प्र: The simple interest on Rs. 25 for 4 months at the rate of 3 paise per rupee per month is : 2749 0

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    240 paise
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    Rs. 1.40
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    Rs. 2.20
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    Rs. 3
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उत्तर : 4. "Rs. 3"
व्याख्या :

Answer: D) Rs. 3 Explanation: I = PTR/100I = 25 x 4 x 0.03/100I = 0.03 x 100 = 300 Ps = Rs. 3

प्र: A number increased by 30% gives 390. The number is 2577 0

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    180
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    300
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    480
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    260
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उत्तर : 2. "300"
व्याख्या :

Answer: B) 300 Explanation: Let the number be 'N'Given N + 30N/100 = 390=> 130N/100 = 390=> N = 390 x 10/13=> N = 300.

प्र: The interest on a certain deposit at 4.5% p.a. is Rs. 202.50 in one year. How much will the additional interest in one year be on the same deposit at 5% p.a.  ? 2388 0

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    Rs. 22.5
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    Rs. 2.5
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    Rs. 202
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    Rs. 25
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उत्तर : 1. "Rs. 22.5"
व्याख्या :

Answer: A) Rs. 22.5 Explanation: We know that I = PTR/100=> P = 20250/4.5 = 4500Now, new Interest at 5% = 4500x1x5/100 = 225Now the additional amount = 225 - 202.5 = Rs. 22.5

प्र: A can finish a work in 18 days and B can do the same work in half the time taken by A. then, working together, what part of the same work they can finish in a day ? 1155 0

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    Total work
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    One-fourth work
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    Half work
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    Two-third work
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उत्तर : 3. "Half work"
व्याख्या :

Answer: C) Half work Explanation: A can do the work = 18 daysB can do the work = 18/2 = 9 days(A + B)'s 1 day work = 1/18 + 1/9 = 1/6=> In 3 days = 3x1/6 = 1/2 work is completed.

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