Correct Answer: Lucrative

Solution : The first option is correct.

The option that can be used as a one-word substitute for the given group of words is lucrative.

Explanation:

Lucrative: It is an adjective that specifically describes something that is profitable or produces financial gain.
Ludicrous: It means absurd or

Correct Answer: Shuja Nawaz

Solution : The correct option is Shuja Nawaz.

"Crossed Swords: Pakistan, Its Army, and the War Within" is a book co-authored by Shuja Nawaz. The book provides an in-depth analysis of the Pakistan Army and its role in the country's history, mainly focusing on the

Correct Answer: Realty

Solution : The correct choice will be the fourth option.

The incorrectly spelt word in the given sentence is realty. The correct spelling is reality.

Realty refers to real estate or property, while reality refers to the state of things as they exist, the nature of the

Correct Answer: 2 cm

Solution : $\triangle $ABC, AB = AC
and D is a point on side AC such that BD = BC.
Here,  AB = 12.5 cm and BC = 5 cm
⇒ $\triangle$ABC ~ $\triangle$BDC
⇒ $\frac{DC}{BC}$ = $\frac{BC}{AC}$
⇒ $\frac{DC}{5}$ = $\frac{5}{12.5}$
⇒ DC = 2

Correct Answer: INR 12,600

Solution : Given: The ratio of monthly income and expenditure of a man = 7 : 3
Expenditure = INR 5,400
Let monthly income be $7x$ and monthly expenditure be $3x$
According to the question:
$3x=5400$
⇒ $x=1800$
Thus, monthly income $=7x=7\times1800 = 12600$
Hence, the

Correct Answer: $12 \frac{1}{2}$

Solution : Given: A trader buys an article at 80% of its marked price and sells it at a 10% discount on its marked price.
Profit percentage = $\frac{\text{SP – CP}}{\text{CP}}\times 100$, where $SP$, $CP$ are the selling price and the cost price.
Let the marked

Correct Answer: Landsteiner

Solution : The correct answer is Landsteiner.

Karl Landsteiner has been credited for the discovery of the ABO blood group system in 1900. His extensive research on serology based on simple reasoning led to the identification of major blood groups such as O, A, and B types,

Correct Answer: ground

Solution : The correct answer is ground.

Tamil Nadu, Punjab, Haryana, and Rajasthan have extremely high groundwater usage rates. Groundwater resources are being used moderately by Gujarat, Uttar Pradesh, Bihar, Tripura, and Maharashtra. Slightly more groundwater than could be found in states like Kerala, Odisha, and Chhattisgarh

Correct Answer: unaffordable

Solution : The correct choice is the third option.

Unaffordable means something too expensive to be able to buy. In this context, it helps convey that a trip back home from vacation would be too expensive for the mother and son.

Therefore, the complete sentence is:

Correct Answer: PENAL

Solution : Given:
PENAL, PIOUS, QUAIL, AEONS

Let's check each option 
First Option: PENAL→The word has two vowels E and A
Second Option: PIOUS→ The word has three vowels I, O, and U
Third Option: QUAIL→The word has three vowels U, A, and I
Fourth Option: AEONS→The