Your Answer : (Not Answered)

Correct Answer : B

We solve the system of linear equations.

Eq 1: x + y = 7

Eq 2: x - y = 3

Adding the two equations: (x+y) + (x-y) = 7+3 => 2x = 10 => x = 5.

Substitute x=5 into the first equation: 5 + y = 7 => y = 2.

The point of intersection is (5, 2).

Your Answer : (Not Answered)

Correct Answer : B

\[ A = P\left(1 + \frac{R}{100}\right)^{n}, \qquad \text{CI} = A - P, \qquad \text{SI} = \frac{PRn}{100} \]

The ratio of consecutive amounts gives the rate directly.

\[ 1 + \frac{R}{100} = \frac{1000}{900} = \frac{10}{9} = 1.1111 \quad\Longrightarrow\quad R = 11.11\% \]

Now work back three years from the Rs. 900:

\[ P = \frac{900}{(10/9)^{3}} = 900 \times \frac{729}{1000} = \text{Rs. } 656.10 \]

The rate \( \tfrac{1}{9} \) is what makes the cube \( \tfrac{729}{1000} \) exact, so the principal comes out to the paisa.

Your Answer : (Not Answered)

Correct Answer : C

\[ 1 \text{ kmph} = \frac{5}{18} \text{ m/s} \]

\[ 36 \text{ kmph} = 10 \text{ m/s} \]

\[ t = \frac{100 + 150}{10} = 25 \text{ seconds} \]

Your Answer : (Not Answered)

Correct Answer : D

Correct answer: neither RI nor RII is the reason for the assertion.

The assertion is about indifference - people who neither support nor oppose reservations. RI would explain hostility rather than indifference: those left out of the quota have a grievance, not an absence of interest. RII is an argument against reservations, which is again a stance rather than indifference. Neither accounts for people simply not caring, so neither is the reason.

Your Answer : (Not Answered)

Correct Answer : A

Correct answer: Both A and R are true and R is the correct explanation of A.

Haemoglobin, the iron-bearing protein in the red cells, is itself a red pigment, and it is present in such quantity that it gives blood its colour. The reason states exactly the cause. Both are true and R explains A.

Your Answer : (Not Answered)

Correct Answer : B

The correct order is 3124.

(3) opens the sentence: National Space Science Symposium is a forum. (1) continues it: of space scientists of India, which provides platform to the researchers. (2) completes the purpose: to exchange the scientific results, review the scientific lessons learnt. (4) then adds the separate remark about this year's online inauguration.

Part (1) begins with of and part (2) with to, so neither can start the paragraph; 4132 and 3412 place the closing remark too early.

Your Answer : (Not Answered)

Correct Answer : A

The term is White-listing.

A whitelist (allow list) names the IP addresses or ranges that are permitted; everything not on the list is denied by default. It is the stricter approach, used for example to let only office networks reach an administration server.

Black-listing is the reverse, blocking listed addresses and allowing all others. An 'open policy' allows traffic generally, and 'closed policy' is not the standard name for a configuration built from a list of permitted addresses.

Your Answer : (Not Answered)

Correct Answer : C

Correct answer: changes

Because transient code is loaded and released as it is needed, the amount of memory the operating system occupies goes up and down while programs run. It neither only grows nor only shrinks, which is why the answer is that it changes.

Your Answer : (Not Answered)

Correct Answer : B

Correct answer: If you choose to select from the pre-made slide layouts, you cannot change the layout

A layout can be changed at any time simply by choosing another from the pane; the placeholders rearrange and the content stays. The other statements are true.

Your Answer : (Not Answered)

Correct Answer : A

Correct answer: the collection of pages that a process accesses

The working set of a process is the set of pages it has referenced in the recent past, taken as a prediction of what it will need next. Keeping a process’s whole working set resident stops it faulting continually, and refusing to run a process whose working set will not fit is how thrashing is prevented.

Your Answer : (Not Answered)

Correct Answer : C

25 December is celebrated as Good Governance day.

Since 2014 the Government of India has observed Atal Bihari Vajpayee's birthday (spelt 'Bajpayee' in the paper) as Good Governance Day, to promote accountability in government.

Children's Day is 14 November, Jawaharlal Nehru's birthday. National Unity Day (Rashtriya Ekta Diwas) is 31 October, Sardar Patel's birthday, and National Integration Day is observed on 19 November, Indira Gandhi's birthday.

Your Answer : (Not Answered)

Correct Answer : C

The outer rail is raised to obtain the necessary centripetal force, as the key's option puts it, from the horizontal component of the force on the train.

A train going round a curve needs a centripetal force directed towards the centre of the curve. Raising the outer rail (superelevation or banking) tilts the track, so the reaction force of the rails on the wheels leans inward, and its horizontal component supplies that centripetal force. Strictly it is the normal reaction, not the weight itself, that is tilted, but the purpose is the one the option states.

This keeps the flanges of the wheels from pressing hard on the outer rail and reduces wear. Centrifugal force is not something the track needs to supply, friction is not avoided by banking, and banking is designed to allow a speed, not to reduce it.

Your Answer : (Not Answered)

Correct Answer : B

The most important feature is that it also comprises the President.

Article 79 states that the Parliament of India consists of the President and the two Houses. The President is not a member of either House but is part of Parliament: no Bill becomes law without assent, and Parliament cannot be summoned or prorogued except by the President.

Your Answer : (Not Answered)

Correct Answer : B

It is the Thar desert.

The Thar covers about 200,000 km² across Rajasthan, Gujarat, Punjab and Haryana, and continues into Pakistan. It is the most densely populated desert in the world.

Your Answer : (Not Answered)

Correct Answer : B

It was Vishnu Sharma.

He is said to have composed the Panchatantra in Sanskrit to teach statecraft to three dull princes, using animal fables arranged in five books. It travelled through Pahlavi and Arabic into Europe and is among the most translated works in the world.

Your Answer : (Not Answered)

Correct Answer : C

The Magsaysay Award was conferred on her.

Kiran Bedi received it in 1994 for government service, in recognition of her prison reforms at Tihar. She was India's first woman IPS officer.

Your Answer : (Not Answered)

Correct Answer : C

Chodaganga Deva built it.

The Eastern Ganga king began the Jagannath temple at Puri in the twelfth century, and it was completed under his successor Anangabhima Deva. Its Rath Yatra draws over a million people each year.

Your Answer : (Not Answered)

Correct Answer : B

A geyser is a vent that ejects a jet of hot water and steam at intervals. Groundwater collects in a constricted channel over hot rock, is heated above boiling point under pressure, and finally flashes into steam and blows the column out.

A hot spring discharges steadily instead of erupting, and a crater is the mouth of a volcano.

Your Answer : (Not Answered)

Correct Answer : C

All the seismic waves of an earthquake - the longitudinal P waves, the transverse S waves and the surface waves - originate at the focus, the point of rupture within the body of the earth.

The epicentre is merely the point on the surface directly above the focus; nothing originates there.

Your Answer : (Not Answered)

Correct Answer : B

The book The Romance of Salt, about Gandhi's Dandi March, is by Anil Tharkar (Anil Dharker), the key gives, option B.

Anil Kakodkar is a nuclear scientist, N.K. Singh an economist and M.S. Swaminathan an agricultural scientist. The author's name follows the key.

The Romance of Salt is a book on Gandhi's Dandi March and the salt tax, and the key names Anil Tharkar as the author. The other three persons are well known in their fields, a nuclear scientist, an economist and an agricultural scientist, and are not authors of this book.