1. From four corners of a square sheet of side 4 cm, four pieces each in the shape of arc of a circle with radius 2 cm, are cut out. The area of the remaining portion is:
[A] (4 – 2π) sq. cm.
[B] (16 – 4π) sq. cm.
[C] (8 – π) sq. cm.
[D] (16 – 8π) sq. cm
Show Answer
Correct Answer: B [(16 – 4π) sq. cm.]
Notes:
Area of sectors
=> Area of square = 4
4 = 16 sq.cm.
∴ Area of the remaining portion = (16 – 4π) sq.cm.
Hence option [B] is the right answer.
2. Identify a tribe in India from the given information:
1. This tribe is mostly found in Maharashtra and parts of Madhya Pradesh
2. This tribe is one of the denotified tribes of India
3. The members of this tribe are nomadic hunters with excellent skill in catching birds
4. Recently, this community was making news for being part of an initiative to save critically endangered lesser floricans
Select the correct option from the codes given below:
[A] Ramoshi
[B] Doms
[C] Charodi
[D] Phase Pardhi
Show Answer
Correct Answer: D [Phase Pardhi]
Notes:
The Pardhi community in central India has been a nomadic community of hunters. Phase Pardhis, one of the subgroups within the community, were known for their skill in catching birds with phase (traps). Traditional hunters Phase Pardhis are part of an initiative to save critically endangered lesser f1oricans. (Down To Earth)
3. If the frequency of a sound wave is reduced to half of its original value, then the speed of sound wave will:
[A] reduce to half of its original value
[B] double to that of its original value
[C] increase fourfold of its original value
[D] remain same
Show Answer
Correct Answer: A [ reduce to half of its original value]
Notes:The frequency and wavelength formulas of sound waves is given as follows:
. In the above, Greek letter lambda λ is the symbol for wavelength.
4. India’s first roll on- roll off (Ro-Ro) vessel passenger service has been proposed to be started in which state?
[A] Andhra Pradesh
[B] Gujarat
[C] West Bengal
[D] Odisha
Show Answer
Correct Answer: B [ Gujarat ]
Notes:
Gujarat’s Dahej is all set to get India’s first roll on-roll off (Ro-Ro) vessel passenger ferry services around April 2017. The Rs 550 crore projects being executed by the Gujarat Maritime Board (GMB), and is expected to bring down travel time between Saurashtra regions in Gujarat with its Southern parts significantly. From Ghoga in Saurashtra to Dahej in South Gujarat takes around 10-12 hours for trucks and buses, and even by cars it is not less than 6-8 hours. Once the Ro-Ro ferry service commences, this time would be dramatically shortened to one and a half hours. Roll-on/roll-off (RORO or ro-ro) ships are vessels designed to carry wheeled cargo, such as cars, trucks, semi-trailer trucks, trailers, and railroad cars that are driven on and off the ship on their own wheels or using a platform vehicle, such as a self-propelled modular transporter. This is in contrast to lift-on/lift-off (Lolo) vessels, which use a crane to load and unload cargo. Roll-on/Roll-off or ‘Ro-Ro’ services for freight transport have being proposed to be introduced at five places – Kolkata, Sahibganj, Varanasi, Patna and Bhagalpur besides setting up small terminals at a cost of Rs 1,000 crore.
5. The Rashtriya Sanskriti Mahotsav for the year 2017 will be held at which of the following places?
[A] Srinagar, Jammu and Kashmir
[B] Tawang, Arunachal Pradesh
[C] Varanasi, Uttar Pradesh
[D] Amaravati, Andhra Pradesh
Show Answer
Correct Answer: B [Tawang, Arunachal Pradesh]
Notes:
Recently, the Union Ministry of Culture has chosen Tawang district of Arunachal Pradesh, as the venue for the Rashtriya Sanskriti Mahotsav, the biggest national cultural festival in the country. The major objective of the annual festival is to popularise and showcase the cultural diversity of India through arts, artisans, various dance forms, handicrafts, flavours etc. from across the country. The festival is a five-day festival, which would be celebrated at Tawang during March 2-6, 2017, and is expected to be attended by almost 600 artistes from all over the country.
6. The India International Exchange (INX) is country’s first international stock exchange, opened in 2017. It is located in which state?
[A] Maharashtra
[B] Gujarat
[C] Telangana
[D] Tamil Nadu
Show Answer
Correct Answer: B [Gujarat]
Notes:
The India International Exchange (INX) is country’s first international stock exchange, opened in 2017. It is located at the International Financial Services Centre (IFSC), GIFT City in Gujarat. It is a wholly owned subsidiary of the Bombay Stock Exchange.
7. India’s first "Cardless and PIN less" Aadhaar based ATM was launched at which of the following places?
[A] Mumbai
[B] New Delhi
[C] Hyderabad
[D] Bengaluru
Show Answer
Correct Answer: A [Mumbai]
Notes:
The Bank pilot launched India's first “Cardless and Cashless” Aadhaar based ATM in Mumbai in April, 2016.
8. Where were the 2018 UCI Para-Cycling World Championships held?
[A] Brazil
[B] United States
[C] Mexico
[D] Italy
Show Answer
Correct Answer: A [Brazil ]
Notes:
The 2018 UCI Para-Cycling World Championships were held in Rio de Janeiro, Brazil. A total of 28 nations took part in the same.
9. When was the SportAccord renamed as the GAISF?
[A] 2005
[B] 2016
[C] 2017
[D] 2010
Show Answer
Correct Answer: C [2017]
Notes:
At the 2017 convention in Aarhus, Federation Internationale du Sport Universitaire and Federation of International Bandy became full members and the SportAccord was renamed as the GAISF.
10. Who was the Women’s singles champion in 2018 BNP Paribas Open tournament?
[A] Naomi Osaka
[B] Daria Kasatkina
[C] Ekaterina Makarova
[D] Elena Vesnina
Show Answer
Correct Answer: A [Naomi Osaka ]
Notes:
Naomi Osaka is a Japanese professional tennis player. She is the champion of US Open in women’s singles. She made her breakthrough into the upper ranks of women’s tennis in 2018 by winning her first WTA title at the Indian Wells Open tournament.
