Correct Answer: Acetylene

Solution : The correct answer is Acetylene.

Fruits can be artificially ripened in certain countries by using Ethylene gas (C₂H₂). Similar to the natural ripening agent Ethylene (C₂H₄), Calcium carbide produces Acetylene gas (C₂H₂)

Correct Answer: Two

Solution : The correct answer is Two.

As per the Representation of the People Act of 1951, an individual can contest from a maximum of two parliamentary constituencies in the same election as of 2022. This was implemented to prevent misuse, as there used to be

Correct Answer: Black soil

Solution : The correct option is Black Soil.

Black soil, sometimes called self-ploughing soil, has a unique capacity to hold and absorb water, causing it to inflate when it is wet. Because it is suitable for growing cotton, it is usually referred to as cotton soil.

Correct Answer: TPZO

Solution : Given:
TREE : USDD :: SOAP : ?

Add 1 to the place value of the first two letters and subtract 1 from the place value of the last two letters of TREE to get the related letter cluster.

So, TREE is related to USDD.

Correct Answer: heal

Solution : The correct choice is the second option.

The word heal is the correct choice in this sentence because it means to cure or treat patients, helping them recover from their illnesses or injuries. It's the appropriate word for what medical doctors are supposed to

Correct Answer: 40%

Solution : Given: The selling price = 140% of cost price
$\therefore$ $\frac{\text{selling price}}{\text{cost price}}=\frac{140}{100}$
Let the selling price and the cost price be $140x$ and $100x$ respectively.
So, the profit percentage = $\frac{\text{selling price - cost price}}{\text{cost price}}\times100$
= $\frac{140-100}{100}\times100$
= 40%
Hence, the correct answer

Correct Answer: Kobe

Solution : The correct answer is Kobe.

Kobe is home to Japan's renowned shipbuilding sector. It is a port city on Honshu, Japan's main island. Kobe has a lengthy history of shipbuilding extending back to the early nineteenth century. The city's shipyards played a significant role

Correct Answer: 35 : 12

Solution : Number of students aged below 18 years = 14 + 26 + 18 + 12 = 70
Number of students aged above 18 years = 17 + 7 = 24
The ratio of the students aged below 18 years to the students aged

Correct Answer: 15000 cm²

Solution : Let $a$ be the side of the cube.
The length of the longest diagonal that can be placed in a closed cube = $50 \sqrt{3}$ cm
$⇒\sqrt3 a=50 \sqrt{3}$
$\therefore a = 50$ cm
Total surface area = $6a^2= 6 × 50 ×

Correct Answer: $1023$

Solution : Given numbers: $\left(4^{315}-1\right)$ and $\left(4^{25}-1\right)$
Now, HCF (315, 25) = 5
So, HCF of {(4³¹⁵– 1) and (4²⁵ –  1)} = ( 4⁵  – 1)
= 1024 – 1
= 1023
Hence, the correct answer is $1023$.