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Correct Answer: Rakhigarhi-Punjab

Solution : The correct answer is Rakhigarhi-Punjab.

• Rakhigarhi is a village in the Hisar district in Haryana. It is the largest Harappan site in the Indian subcontinent.
• Lothal was one of the southernmost towns of the ancient Indus Valley Civilization in Gujarat.
• Kalibangan is a site

Correct Answer: eutrophication

Solution : The correct answer is eutrophication.

When nutrient levels in any water body increase, especially that of phosphate and nitrate, which leads to increases in the biomass of the water body, this process is known as eutrophication. Its initial stage is characterised by the rapid

Correct Answer: ÷, −, =, −, ×

Solution : Given:
(440 * 11) * 85 * 57 * (34 * 3)

Let's check the given options –
First option: +, −, =, ÷, +
⇒ (440 + 11) − 85 = 57 ÷ (34 + 3)
L.H.S. = 451 −

Correct Answer: Looping

Solution : The correct answer is Looping.

In programming, repeating a series of commands is known as "looping." Loops are used to run code many times, either depending on a specific condition or for a set number of iterations, to speed up the process of executing repeated

Correct Answer: 13 cm

Solution : Given: The height and the radius of the base of a right circular cone = 12 : 5
Let the height be $12x$ and the radius is $5x$.
Volume = 314 cm³
We know that,
Volume of a cone = $\frac{1}{3}\pi r^2 h$

Correct Answer: Easeful

Solution : The correct choice is the first option.

The adjective uncomfortable means causing or feeling slight pain or physical discomfort, whereas easeful is characterised by comfort and a lack of difficulty, making things easy and relaxed. Thus, it is the opposite of "uncomfortable".

The meanings of

Correct Answer: 2021

Solution : In the year 2021, the rice of variety C was produced the maximum.
98 > 89 > 67
Hence, the correct answer is 2021.

Correct Answer: $\frac{5}{39}$

Solution :

$\frac{1}{15}+\frac{1}{35}+\frac{1}{63}+\frac{1}{99}+\frac{1}{143}$
$=\frac{1}{(3×5)}+\frac{1}{(5×7)}+\frac{1}{(7×9)}+\frac{1}{(9×11)}+\frac{1}{(11×13)}$
$= \frac{1}{2}×[( \frac{1}{3}− \frac{1}{5})+( \frac{1}{5}− \frac{1}{7})+( \frac{1}{7}− \frac{1}{9})+( \frac{1}{9}− \frac{1}{11})+( \frac{1}{11}− \frac{1}{13})]$
$= \frac{1}{2}×( \frac{1}{3}− \frac{1}{13})$
$= \frac{1}{2}×( \frac{13-3}{39})$
$= \frac{5}{39}$
Hence, the correct answer is $ \frac{5}{39}$.

Correct Answer: goes ten minutes behind

Solution : The segment with a grammatical error is in the third option.

Explanation:
The error lies in the use of behind with the phrase ten minutes. The more appropriate term here is fast instead of behind because the sentence suggests that the watch

Correct Answer: 4

Solution : The correct choice is the fourth option.

The sentence is grammatically accurate and doesn't need any change as per the rule of conditionals. The sentence conveys the idea that Sumithra didn't miss the cab because she had hurried.

Therefore, the given sentence requires no improvement