Correct Answer: 5

Solution : Given:
I. Speed of T4 is more than T2 but less than T6; T6 > T4 > T2
II. Speed of T3 is not less than T5; T3 > T5
III. Speed of T6 is more than only three bikes; _ > _ > T6 > _ > _ > _
IV. The speeds of T2 and T5 are not least.

After combining all the statements the arrangement is as follows –
T3 > T5 > T6 > T4 > T2 > T1

Therefore, 5 bikes have less speed than T3. Hence, the fourth option is correct.

Correct Answer: Jaswant Singh

Solution : The correct option is Jaswant Singh.

Major Jaswant Singh, an Indian Army officer, Cabinet Minister, and founding member of the Bharatiya Janata Party, authored the book 'Defending India.' His remarkable parliamentary career spanned almost continuously from 1980 to 2014, making him one of India's longest-serving parliamentarians.

Correct Answer: Leonov

Solution : The correct answer is Leonov.

The first spacewalk was made by Soviet cosmonaut Leonov on March 18, 1965. He was the first person to conduct a spacewalk, spending 12 minutes and 9 seconds outside the Voskhod 2 capsule. The Apollo-Soyuz Test Project Flight was co-commanded by the first man to walk in space. Former Soviet cosmonaut Leonov is also a talented artist. 

Correct Answer: suitable

Solution : The correct choice is the third option.

Explanation: The word suitable is the most appropriate choice in the given context. It conveys the idea that your friend lacks the necessary qualifications, skills, or readiness to handle the complicated assignment.

So, the correct sentence would be: "My friend is not suitable for this complicated assignment".

Correct Answer: Agitate

Solution : The correct choice is the first option.

Console means to comfort or provide solace to someone in distress or sadness.
Agitate means to disturb, upset, or provoke. The opposite of providing comfort in this scenario would be to agitate, which means to disturb or upset.

The meanings of the other options are:

• Coordinate: It means organising or synchronising elements to work harmoniously.
• Satiate: It means to satisfy fully or in excess.
• Gratify: It denotes giving pleasure or satisfaction and fulfilling desires.

Therefore, the correct answer is agitate.

Correct Answer: Methane

Solution : The correct option is Methane.

Natural gas is a fossil fuel made of methane gas (CH₄), which has one carbon atom and four hydrogen atoms. It is a valuable energy resource for applications such as power generation, heating, cooking, and industrial activities. It is also utilised as a feedstock in the manufacture of chemicals, and products.

Correct Answer: 109

Solution : Given:
16 : 49 :: 18 : 55 :: 36 : ?

Like, 16 : 49→(16 × 3) + 1 = 48 + 1 = 49
18 : 55→(18 × 3) + 1 = 54 + 1 = 55
Similarly, for 36 : ?→(36 × 3) + 1 = 108 + 1 = 109

So, 109 is related to 36. Hence, the second option is correct.

Correct Answer: Crafty

Solution : The correct choice will be the fourth option.

Artful: It means clever, skilful, or adept cunningly or deceptively; characterized by cunning or trickery.

Crafty: It means clever deceptively or slyly.

In this context, crafty aligns closely with the meaning of artful as both convey a sense of cleverness, especially in a manner that may involve deception or manipulation.

The meanings of the other options are:

Prudent: It denotes wise, cautious, or sensible in practical affairs; showing good judgement.

Benign: It denotes kind, gentle, and favourable; having a gentle disposition or showing kindness.

Ignorant: It denotes lacking knowledge, awareness, or education; uninformed or unaware.

Therefore, the correct answer will be crafty.

Correct Answer: too sweet

Solution : The correct option will be the third option.

The word many is inappropriate in this context. Instead, too should be used to indicate an excess or degree beyond what is desirable.

Therefore, the corrected sentence is: "The dessert was too sweet for my tastes."

Correct Answer: 21%

Solution : The correct answer is 21%.

The troposphere is the layer of the atmosphere which has all the necessary gases on Earth which are vital for the existence of life. In the atmosphere the most abundant gas is nitrogen. Oxygen is the second most abundant gas with a concentration of 21%. Other gases found in the atmosphere are argon, carbon dioxide etc.