Correct Answer: United States of America

Solution : The correct option is the United States of America.

The preamble of the Indian Constitution is not directly borrowed from any particular constitution. However, it does reflect the ideals and principles from various sources, including the United States Constitution, the French

Correct Answer: FUEV

Solution : Let's check the options –

First option: YXWV; The letters V, W, X, and Y are consecutive.
Second option: FUEV; The letters E, F, U, and V are not consecutive.
Third option: QPSR; The letters P, Q, R, and S are consecutive.
Fourth option: VUXW;

Correct Answer: Shoal

Solution : The correct one-word substitute for the given group of words is the second option.

Explanation for each option:

1. "Herd" - A herd typically refers to a group of mammals, such as cattle or sheep, moving together.

2. "Shoal" - A shoal specifically refers to a group

Correct Answer: $123^{\circ}$

Solution : One of the angles of obtuse-angled isosceles triangle is $\frac{57}{2}^\circ$, the other same angle will be $\frac{57}{2}^\circ$. 
Let the obtuse angle be $x$.
Thus, the sum of angles of a triangle $=180^\circ$
⇒ $\frac{57}{2}+\frac{57}{2}+x=180^\circ$ 
⇒ $\frac{114}{2}+x=180^\circ$ 
⇒ $57+x=180^\circ$
⇒ $x=123^\circ$
So, the measure of its

Correct Answer: Aristotle 

Solution : The correct option is Aristotle.

The statement "Man is a social animal" is credited to Aristotle, an ancient Greek philosopher. This statement emphasised the concept that humans are naturally predisposed to live in groups and societies and that social connections and cooperation are important

Correct Answer: 2, 1, 4, 3

Solution : Given:
1. Range 2. Rain 3. Rein 4. Ranger

Step 1: Compare the first letter of each word. Since all the words start with the same letter R, then move on to the next letter.
Step 2: The second letter of

Correct Answer: 31

Solution : Given:

• Neha's rank is 15th from first.

This means that there are 14 students ahead of Neha.

Then, Neha's rank from the last is 45 – 14 = 31

Hence, the third option is correct.

Correct Answer: Arcane

Solution : The right choice is the fourth option.

Explanation: The term opaque refers to something that does not allow light to pass through. In a figurative sense, it also means something that is not easily understood, unclear, or difficult to understand.

Also, arcane refers to things

Correct Answer: Arei

Solution : The correct choice is the third option.

The word "arei" is not a valid English word. It appears to be a misspelling or a typographical error. The correct term is "array", which means an ordered arrangement or display of things.

Correct Answer: $\frac{17}{18}$

Solution : Given: The ratio of the age of two boys is 5 : 6.
After two years, the ratio will be 7 : 8.
Let the age of two boys be $5x$ years and $6x$ years respectively.
As per conditions, we have:
$\frac{5x+2}{6x+2}=\frac{7}{8}$
⇒ $40x+16=42x+14$
⇒