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d. All of the above

c. Measurement of weighing table

Given:

Rajesh and Radha present age ratio = 4 ∶ 3

After 50 years’ ratio will become = 9 ∶ 8

Calculation

Let the Rajesh age = 4x and Radha age = 3x

According to the question,

⇒ (4x + 50)/(3x + 50) = 9/8

⇒ 32x + 400 = 27x + 450

⇒ x = 10

Rajesh’s present age = 4 × 10 = 40 years.

∴ Rajesh’s present age is 40 years

The price of one unit = 400 crore / 8 crore = Rs 50

(a) No. of units by investing Rs 10,000 = 10,000 / 50 = 200

(b) If the market value is increased by 10% by selling one unit, the profit will be

50 × 10 / 100 =  Rs 5

∴ By selling 200 units, the profit will be 200 × 5 = Rs 1000.

A = {1, 2, 3, 4, 5}, B = {5,6,7} 

∴ AUB = {1,2,3,4,5,6,7}

The correct answer is Tata Sons.

• Cyrus Mistry has been reappointed as the chairman of Tata Sons by the National Company Law Appellate Tribunal (NCLAT).
• Mistry returned to the helm of the Tata conglomerate after a three-year-long battle in courts.
• He was ousted in October 2016 being chairman for nearly four years.
• Mistry had proved his mettle as managing director of his family firm Shapoorji Pallonji and Company and had served as director of Tata Elxsi and Tata Power.
• The present Chairman is Mr. Natarajan Chandrasekaran.

The correct answer is Suresh Tendulkar - Political Scientist.

• Suresh D. Tendulkar was an Indian economist and former chief of the National Statistical Commission. Hence Option 2 is not correctly matched.
• Tendulkar was a member of Prime Minister Manmohan Singh's Economic Advisory Council from 2004 to 2008 and then served as its chairman from 2008 to 2009.

• Fateh Singh Rathore was an Indian tiger conservationist.
• Fateh Singh joined the Indian Forest Service in 1960 and was part of the first Project Tiger team.
• He was widely acknowledged as the tiger guru for his legendary knowledge of the big cat.
• Mani Kaul was an Indian director of Hindi films and a reputed figure in Indian parallel cinema.
• He graduated from the Film and Television Institute of India (FTII) where he was a student of Ritwik Ghatak and later became a teacher.
• Ram Sharan Sharma was an eminent historian and academic who specialized in the history of Ancient and Early Medieval India following Marxist historiography.

The correct answer is Maithon.

• The Maithon Dam is located about 48 km from the Coal City of Dhanbad.
• It is located on the banks of the River Barakar.
• This was developed by the Damodar Valley Corporation (DVC Ltd) way back in the year 1948.
• The dam is about 15712 ft long and about 165 ft long.
• The underground power station has a capacity to generate around 60,000 KW of electric power.
• Other Important Dams in Jharkhand:- Chandil Dam, Getalsud Dam, Masanjor JH Dam, North Koel Dam, Panchat Hill Dam, Tenughat Dam, Tilaiya Dam, Upper Shankh Dam.

The correct answer is Ajay Singh Bisht.

• Yogi Adityanath was born as Ajay Singh Bisht on 5 June 1972 in the village of Panchur, in Pauri Garhwal, Uttar Pradesh (now in Uttarakhand).
  • His late father Anand Singh Bisht was a forest ranger.
  • He was the second born in the family, among four brothers and three sisters.
  • Yogi Adityanath is an Indian Hindu monk and politician serving as the 22nd and current Chief Minister of Uttar Pradesh, in office since 19 March 2017.
  • He has been the Member of Parliament from the Gorakhpur constituency, Uttar Pradesh, for five consecutive terms since 1998.

• Uttar Pradesh
  • Uttar Pradesh is a state in northern India. With roughly 200 million inhabitants, it is the most populous state in India as well as the most populous country subdivision in the world. 
  • Land area: 243,286 km²
  • Population: 20.42 crores (2012)
  • Governor: Anandiben Patel
  • Capital: Lucknow (Executive Branch)
  • Chief minister: Yogi Adityanath

The correct answer is waterways.

• Waterways are the cheapest mode of service.
  • The amount of loading and unloading goods is much cheaper if it has to travel a long distance.
• Inland waterways
  • ​Navigable rivers and lakes are used as inland waterways.
  • The Great Lakes in North America, the Ganga – Brahmaputra river system and the river Nile in Africa are some of the important inland waterways.
• Seaways
  • ​These are the oceanic routes and used for transporting goods from one country to another.
  • These routes are connected with the ports.
  • Some of the important ports in Asia are Mumbai and Singapore, New York, Los Angeles in North America, Rio de Jenario in South America, and Sydney in Australia.

• Roadways are the most commonly used means of transport, especially for short-distance travel.
  • Roads may be metalled or unmetalled.
  • There is a dense network of roads in the plains.
  • Roads can be built in deserts, high mountains, and forests too.
  • Roads built underground are called subways or under paths.
• Railways are economical and faster.
  • Steam engines have been replaced by diesel and electrical engines. 
  • Railway network is well developed in plain areas.
  • It is present in hilly terrain too, but not as much as in the plain areas.
• Airways 
  • ​It is the most expensive mode due to the high cost of fuel.
  • It is vulnerable to bad weather like fog and storms.
  • It is the only mode to reach even the most distant and remote locations which do not have a road/rail network.

The correct answer is B.

• Space Application Center, SAC located in Ahmedabad, Gujarat, India.
• The Space Applications Centre is an institution of research in Ahmedabad under the aegis of the Indian Space Research Organisation.
• Indian Space Research Organization is founded by Dr.Vikram Sarabhai.
• Indians Space Research Organization's current chairman is Dr.K Sivan.

• Space Applications Centre (SAC) is one of the major centers of the Indian Space Research Organisation (ISRO).
• SAC focuses on the design of space-borne instruments for ISRO missions and the development and operationalization of applications of space technology for societal benefits.

• The Indian Space Research Organisation or is the national space agency of the Republic of India, headquartered in Bengaluru.
• It operates under Department of Space which is directly overseen by the prime minister of India while chairman of ISRO acts as executive of DOS as well. 

• Top 5 Spacer agencies in the world are:
  • ​National Aeronautics and Space Administration (NASA).
  • China National Space Administration (CNSA).
  • European Space Agency (ESA).
  • Russian Federal Space Agency (Roscosmos).
  • Indian Space Research Organisation (ISRO).

Rajya Sabha of Parliament is sometimes called the "House of Elders.

The correct option?: (a) 2, 1, 4, 3

The correct answer is 14th September.

• Hindi Diwas or Hindi Day is celebrated annually on September 14 in India as Hindi was declared as one of the official languages of India on September 14, 1949.
• The resolution which declares Hindi as one of the official languages was adopted under the Constitution of India in 1950.

• The Hindi day is committed to promote and propagate the language Hindi in the country.
• The occasion serves as a patriotic reminder to Indian citizens of their shared roots and unity.
• There are a total of 22 Scheduled languages of India.

Sikkim Indian State remained an Associate State for a short period before it was recognised as a full-fledged State of the Union?

Sikkim is now a full-fledged State.

The answer is c) phase.

• Compound words refer to the words where two different words have been merged. The word 'life' cannot make a compound word with the term 'phase.'

• 'Lifelong' is a compound word that refers to the entire period of a person's existence.

• 'Lifespan' refers to the period from the birth to the death of an organism.

• 'Lifetime' is a synonym for 'lifespan.' It also refers to the duration of a person's life.

The Union Parliament has the power to rename or define the boundary of a State by an amendment of the Constitution

I help you in writing the essay. 

Correct option is A) in 

The correct option- (c) I and IV   

The Sarkaria Commission was set up to examine Centre-State relations

(a) R.K. Shanrnukharn Chetty

Correct option is B) for / until 

Correct option is A) to 

The correct option: (b) 2 only

The correct option: (a) 2 and 4

The correct option- (b) I and II 

Lok Sabha House is better placed with regard to control over the executive.

The correct option: (a) I, II and III

The correct answer is a-II, b-III, c-IV, d-I.

• There are a total of 8 theories of the origin of the universe:
  • The gaseous hypothesis of Kant
  • Nebular hypothesis of Laplace
  • The planetesimal hypothesis of Chamberlin
  • Jean and Jeffery’s tidal theory
  • Russel’s binary Star Hypothesis
  • Hoyle’s supernova hypothesis
  • Schmidt’s interstellar hypothesis
  • Big bang theory

I am a boy of eleven. I come of a rich family. People say I am smart and intelligent. It is said I started walking when I was ten months old. I started speaking when I was one year and four months. I went to school at the age of five. There I learnt to read and write. I started playing cricket at the age of nine. Now I am a good player. My friends say that I am the best player in our group. I can sing and swim. I learnt singing when I was seven. I could swim when I was nine.

The correct answer is Tipu should accept Subsidiary Alliance.

• The war was declared on Travancore in 1789.
• The Governor-General of Bengal, Lord Cornwallis declared war on Tipu Sultan.
• Tipu was defeated in the first phase of the war.

• The war ended with the Treaty of Seringapatam in 1792.
  • Tipu should give half of his State to the British including the areas of Malabar, Dindigul, Coorg, and Baramahal. Hence option 2 is correct.
  • Tipu also had to surrender two of his sons as surety to the British till he paid his due. Hence option 3 is correct.
  • Tipu Sultan paid Rs.3.5 Crore as war indemnity to the British. Hence option 1 is correct.
  • There was no provision of the subsidiary alliance in the treaty, thus, option 4 is wrong.

Correct option is A) in / on

Correct option is C) buying

Ramu is a simple man. He is living in a village with his wife. He gets up early. He goes to thevillage well to have a wash/Hedoes not use a tooth-brush to clean his teeth. He uses a twig from a neem tree instead. After his bath he has breakfast. After breakfast he goes to his field. He goes with his bullocks and his wooden plough. After ploughing the field the whole day he goes back home with his bullocks. He does not buy food for his family.He grows it in his field/he also grows some vegetables like potatoes, onions, carrots and radish, he does not buy clothes with money. He gives some of his wheat and rice to the shop keeper, and shopkeeper gives him clothes in exchange.

Correct option is A) in

Correct option is C) at the

answer:

how long have you been working at the hospital. 

Generally the hospital was closed by nine in the evening. But it was a great comfort for PanSingh to find Doctor Sahib in his room. The doctor listened to the story of Pan Singh’s bad luck. He was a kind-hearted man. He immediately got up, lights a lamp and looks at Pan Singh’s wound. He felt that Pan Singh’s wound must be dressed properly. He asked the hospital peon to call the compounder. The compounder lived quite near the hospital. Meanwhile the doctor gave some medicine to Pan Singh so that he fell asleep and did not feel the pain.

The correct answer is option (3) i.e. 16.

• Article 80 of the Constitution lays down the maximum strength of Rajya Sabha as 250, out of which 12 members are nominated by the President and 238 are representatives of the States and the two Union Territories.
• The present strength of Rajya Sabha, however, is 245, out of which 233 are representatives of the States and Union territories of Delhi and Puducherry and 12 are nominated by the President of India.
• The members nominated by the President are persons having special knowledge or practical experience in respect of such matters as literature, science, art and social service.
• Article 84 of the Constitution lays down the qualifications for membership of Parliament. The minimum age is 30 years.

2. She used to chat with her friends everyday. One day, a new friend requested her to accept her. Shree accepted her and chatted with her. Her name was Chaitra.

(b) Upto Rs. 10 lakhs 

(d) 20 years of his/her age

The former is appointed to cope with the workload whereas the latter is appointed in a casual vacancy

The correct answer is Oil based.

• Hungarian-born László Bíró created the ballpoint pen in modern times. 
• While working at the newspaper, he realized that the ink used on newsprint dried quickly and was generally smudge-free.
• The key to their success was a combination of a thick, sticky ink and a tiny ball bearing.
• This ball-and-socket mechanism allows the ball to roll around easily on paper while sealing the ink from the air so it doesn’t dry out.
• The ink used in ballpoint pens is oil-based and dries faster than other types of ink.
• Rollerball pens use the same design as ballpoint pens but with water-based ink.
• Marker pens come in four types of ink: pigment, water, oil and alcohol-based.

Judicial activism has caused some bitter feuds and confrontations among the Executive, Legislature and Judiciary in India. When the Executive and legislature become weak, the Judiciary openly intervenes for the protection of the rights of the people. It is good for democracy but it has its weaknesses. Here are the merits and demerits of judicial activism. 

Merits

• Through public interest litigation, the powers of the Courts increased and the people’s faith in them also increased. 
• Judicial activism helped to reduce expenses for litigation. 
• Judicial activism forced the Executive to carry out its responsibilities.

 Demerits 

• Increased workload for the Courts. 
• It caused open clash between the Executive and Judiciary.

Under the writ of 'Mandamus', the Court can  direct the Government to do or not to do a thing.

Original Jurisdiction: In the following cases the Supreme Court has original jurisdiction. 

• Conflicts between the Centre and one or more States. 
• In conflicts where the Centre and a State or States are on one side and a State or States on the opposite side. 
• Conflicts between States. 
• In issues connected with the election of the President and Vice President. 
• To implement Fundamental Rights as per Article 32. 

Appellate Jurisdiction: The Supreme Court is the highest Appellate Court in India. Its Appellate Jurisdiction can be divided into 3 – Constitutional, Civil and Criminal. 

Constitutional Cases: If the High Court testifies that the problem has some serious element of interpreting the Constitution, appeal can be given to the Supreme Court.

Even if the High Court refuses to certify such a thing, if the Supreme Court feels that the case has some serious element of interpreting the Constitution, the SC can issue Special Leave of Appeal.

The Supreme Court can, on its own initiative, or on the request of the Attorney General, can ask the High Courts to move matters of public interest to the SC.

Civil Cases: If the high Court that testifies to the effect that the matter needs the decision of the SC, the case can be transferred to the SC.

Criminal Cases: In the following circumstances appeals against High Court Judgements can be made in the SC: If an accused is left unpunished, a person or organization can file an appeal if it is felt that leaving the accused unpunished will cause some difficulty to the public. Here the Court is approached for protecting public interest. Since the Court is approached for public interest, such cases are called ‘Public Interest litigation’. Such cases usually come up in situation where there is a lack of drinking water, problems of the poor, pollution, etc. Today this has become the most energetic weapon in the hands of the Judiciary.

Public Interest Litigation: 

a) Anybody who is interested in public interest, to defend the rights of others; to solve public problems, can approach the Court. 

b) Since litigation is very costly in India, for defending people’s rights, this helps. In the Constitution, is stated that only the persons whose fundamental rights are violated can approach the court. But this condition has been made loose by the Supreme Court by letting Public Interest Litigation. Through this anybody can approach the court to defend the fundamental rights of others.

The first Woman Judge of the Supreme Court was Justice Fatima Biwi .