Your Answer : (Not Answered)

Correct Answer : C

Halve the diameter to get the base radius, then use the cone volume formula with \( \pi = \tfrac{22}{7} \).

\[ r = \frac{7}{2} = 3.5 \text{ cm}, \qquad h = 14 \text{ cm} \]

\[ V = \frac{1}{3}\pi r^{2} h = \frac{1}{3} \times \frac{22}{7} \times (3.5)^{2} \times 14 \]

\[ = \frac{1}{3} \times \frac{22}{7} \times 12.25 \times 14 = \frac{1}{3} \times 539 \]

\[ V \approx 180 \text{ cm}^{3} \]

Forgetting the \( \tfrac{1}{3} \) would give the volume of the enclosing cylinder, three times too large.

Your Answer : (Not Answered)

Correct Answer : A

Correct answer: Only Conclusion I follows

The statements are \( Z > T \) and \( T < M < J \).

Conclusion I claims \( T < J \). The second statement is already a chain running from T through M to J in a single direction, so \( T < M < J \) gives \( T < J \) directly. Follows.

Conclusion II claims \( J < Z \). Here T is the low point that both Z and J stand above - \( Z > T \) and \( J > T \) - and two elements above a common third are in no fixed order. Taking \( T = 1 \), both \( Z = 2, J = 9 \) and \( Z = 9, J = 2 \) satisfy every statement. Does not follow.

Only the first conclusion follows.

Your Answer : (Not Answered)

Correct Answer : B

The youngest of all is Geeta.

Arrange the statements from oldest to youngest:

• Radha is younger than Sunita but older than Rita: Sunita, Radha, Rita.
• Sham is older than Rita but younger than Radha: Sunita, Radha, Sham, Rita.
• Rita is older than Geeta: Sunita, Radha, Sham, Rita, Geeta.

So Geeta comes last. Rita is the second youngest, Sham is in the middle, and Sunita is the eldest. A quicker check: Rita is younger than Radha and Sham, and Radha is younger than Sunita, so only Geeta, who is younger than Rita, can be the youngest.

Your Answer : (Not Answered)

Correct Answer : C

The key gives Evaluation of the situation as the last step.

Five-step problem-solving models typically run: identify and define the problem, analyse it and generate alternatives, select an alternative (decide), implement it, and finally evaluate the results, checking whether the situation has improved and the problem is solved. Evaluation closes the cycle and may start it again if the problem remains.

Selecting an alternative and decision-making are the middle steps, before implementation, and 'problem solving' is the name of the whole process, not one of its steps.

Your Answer : (Not Answered)

Correct Answer : A

The opposite of innovator is duplicator.

An innovator introduces something new. Its opposite is one who only copies what already exists, a duplicator.

Pioneer, inventor and developer all describe people who create or bring in something new, so they are close in meaning to innovator rather than opposite.

Your Answer : (Not Answered)

Correct Answer : B

A keyboard is an input device.

Input devices send data and commands into the computer. Pressing a key sends a code for that character or command to the processor. The mouse, scanner, microphone and joystick are other input devices.

Output devices, such as the monitor, printer and speakers, present results from the computer. Storage devices, like a hard disk or pen drive, keep data, and memory (RAM and ROM) holds the data and instructions the processor is working on. The keyboard does none of these.

Your Answer : (Not Answered)

Correct Answer : B

Correct answer: Moving Picture Experts Group

MPEG is the Moving Picture Experts Group, the committee responsible for the video and audio compression standards that carry its name.

Your Answer : (Not Answered)

Correct Answer : D

Statement D is not correct. Under Article 4, a law made under Article 2 or 3 to form new states or alter boundaries or names is not treated as an amendment of the Constitution for the purpose of Article 368, so it does not fall under the amendment procedure. The other three statements describe Article 3: Parliament may form a new state by law, the Bill needs the President's recommendation, and the President refers it to the state legislature for its views.

Your Answer : (Not Answered)

Correct Answer : A

mRNA stands for Messenger Ribonucleic Acid.

Messenger RNA carries the genetic instructions from DNA in the nucleus to the ribosomes, where they are translated into proteins. mRNA vaccines against COVID-19, such as those of Pfizer-BioNTech and Moderna, deliver mRNA that tells cells to make the virus's spike protein, prompting an immune response.

'Mutant', 'Modified' and 'Mnemonic' ribonucleic acid are not what the 'm' stands for; the molecule is named for its role as a messenger.

Your Answer : (Not Answered)

Correct Answer : C

Silver iodide is used to produce artificial rain.

Its crystal lattice closely resembles that of ice, so supercooled droplets in a cloud freeze on it and grow heavy enough to fall. It is dispersed from aircraft or fired from the ground into a cloud that already holds enough moisture.

Your Answer : (Not Answered)

Correct Answer : A

Alan Turing broke the German Enigma codes and devised the Turing test.

His work at Bletchley Park is credited with shortening the Second World War substantially. The test he proposed in 1950 - whether a machine's replies are indistinguishable from a person's - remains a founding idea of artificial intelligence.

Your Answer : (Not Answered)

Correct Answer : A

Rayon is chemically cellulose. It is made by dissolving wood pulp and forcing the solution through fine holes into an acid bath, where the cellulose is regenerated as a filament.

Because it comes from a natural polymer rather than being built from small molecules, rayon is called a regenerated fibre rather than a true synthetic.

Your Answer : (Not Answered)

Correct Answer : B

Hindi Diwas is celebrated on 14 September.

The Constituent Assembly adopted Hindi in Devanagari as an official language of the Union on that date in 1949, and the day has been observed since 1953.

Your Answer : (Not Answered)

Correct Answer : D

The Nobel Prize in Economics was established in 1968 and first awarded in 1969.

It is not one of Alfred Nobel's original prizes: Sveriges Riksbank endowed it in its tercentenary year, and its formal name is the Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel.

Your Answer : (Not Answered)

Correct Answer : B

Gamal Abdel Nasser was called the modern Pharaoh.

The Egyptian President nationalised the Suez Canal in 1956, built the Aswan High Dam and led the movement for Arab unity. He was also a founder of the Non-Aligned Movement with Nehru and Tito.

Your Answer : (Not Answered)

Correct Answer : C

The Bharat Ratna is India's highest award.

Instituted in 1954, it is conferred for exceptional service of the highest order in any field. It carries no title and no monetary grant, only a sanad and a peepal-leaf medallion. The Padma Bhushan ranks third, after the Padma Vibhushan.

Your Answer : (Not Answered)

Correct Answer : D

Virat Kohli received the Padma Shri in 2017.

He was then captain of the Indian Test side, and had received the Arjuna Award in 2013 and the Khel Ratna in 2018.

Your Answer : (Not Answered)

Correct Answer : D

Correct answer: The right to work

The right to work is not a fundamental right. It appears in Article 41, among the Directive Principles, which requires the State to make effective provision for securing the right to work, to education and to public assistance within the limits of its economic capacity - and is therefore not enforceable in any court. That qualification, within the limits of its economic capacity, is precisely why it could not be made a right: the State cannot be compelled to provide employment it cannot fund. Legislation has nevertheless given it partial effect, most notably the Mahatma Gandhi National Rural Employment Guarantee Act of 2005, which creates a statutory entitlement to a hundred days of wage employment - enforceable as a statutory right, not a constitutional one. The other three are all in Part III: equality in Articles 14 to 18, freedom of religion in 25 to 28, and the right against exploitation in 23 and 24. Note that the right to education, which sat alongside the right to work in Article 41, was later made a fundamental right by the 86th Amendment.

Your Answer : (Not Answered)

Correct Answer : A

Correct answer: Kangchenjunga

Kangchenjunga, at 8,586 metres, is the highest peak in India and the third highest in the world. It stands on the border between Sikkim and Nepal. A distinction is worth drawing. Kangchenjunga is the highest point in India but sits on an international boundary; Nanda Devi, at 7,816 metres in Uttarakhand, is the highest peak lying entirely within Indian territory. Which is the correct answer depends on how the question is worded, and both appear in examinations. Everest, the world’s highest at 8,849 metres, lies on the Nepal–Tibet border and not in India at all. K2, the second highest, is in the Karakoram in territory administered by Pakistan and claimed by India. The name Kangchenjunga means the five treasures of the snows, for its five peaks. Its summit is left untrodden by convention, climbers stopping a few metres short out of respect for local belief.

Your Answer : (Not Answered)

Correct Answer : B

The Constitution was adopted by the Constituent Assembly on 26 November 1949, now observed as Constitution Day.

A few articles - on citizenship, elections and provisional Parliament - came into force at once; the rest took effect on 26 January 1950, the date India became a republic.