Correct Answer: $25\%$

Solution : Given: The salary of A was decreased by 50% and subsequently increased by 50%.
Let the salary of A be 100 units.
Salary was decreased by 50%, decreased salary = 100 –100 × $\frac{50}{100}$ = 50 units
Then, the salary was increased by 50%, increased

Correct Answer: Sweden

Solution : The correct option is Sweden.

Wikileaks was established in Australia with the assistance of Daniel Mathews, but its servers were quickly relocated to Sweden and other countries that afforded more legal protection to the media. On October 4, 2006, the domain name wikileaks.org was registered.
 

Correct Answer: Extarnal

Solution : The third option is the correct answer.

The incorrectly spelt word is extarnal. The correct spelling is external, relating to or located on the outside.

The meanings of the other options are as follows:

• Musk is a strong-smelling reddish-brown substance obtained from a gland of

Correct Answer: 16 : 106

Solution : Let's check the given options –
First option: 23 : 153; 23 × 7 = 161; 161 – 8 = 153
Second option: 15 : 97; 15 × 7 = 105; 105 – 8 = 97
Third option: 16 : 106; 16 ×

Correct Answer: Raja Ram Mohan Roy

Solution : The correct option is Raja Ram Mohan Roy.

The Brahmo Samaj, a prominent reform movement in 19th-century India, was founded by Raja Ram Mohan Roy. He established the Brahmo Samaj in 1828 in Calcutta (now Kolkata). He played a pivotal role in

Correct Answer: 9

Solution : Principal amount, P = Rs. 2,500
Term, n = 2 years
Total amount A = Rs. 2,970.25
Let the rate be $R$.
Total amount after 2 years A = $P(1+\frac{R}{100})^{2}$
⇒ Rs. 2,970.25 = Rs. 2,500$(1+\frac{R}{100})^{2}$
⇒ $(1+\frac{R}{100})^{2}$ = $\frac{2970.25}{2500}$
⇒ $(1+\frac{R}{100})$ = $\sqrt{1.1881}$
⇒

Correct Answer: The psychologists who are a major part of the investigation interviewed the witnesses.

Solution : The fourth option is the correct choice.

The psychologists, who are a major part of the investigation, interviewed the witnesses.

• Psycologists must be replaced with psychologists. "H" is missing.
• Investigasion must be replaced

Correct Answer: but hard working

Solution : The correct choice is the second option.

The structure "Not only... but also" is a correlative conjunction pair used to emphasise two qualities or characteristics, indicating that both qualities are present in the same subject (in this case, the speaker's brother).

The conjunction

Correct Answer: 6.67

Solution : Given:
Sarthak can design the entire room in 12 days.
Mohan can design the room in 15 days.
Sarthak's 1 days work = $\frac{1}{12}$
Mohan's 1 days work = $\frac{1}{15}$
Together their work in 1 day = $\frac{1}{12}+\frac{1}{15}=\frac{3}{20}$
So, the work be completed if they

Correct Answer: 69

Solution : Given:
12 : 54 :: 15 : ?

Multiply the first number by 5 and then subtract 6 from it to obtain the second number.
Like, 12 : 54→(12 × 5) – 6 = 60 – 6 = 54
Similarly, follow the same pattern for