Correct Answer: CaO

Solution : The correct answer is CaO.

Calcium oxide (CaO) is commonly known as quicklime. Quicklime is a white, crystalline solid at room temperature and is produced by heating calcium carbonate (CaCO₃), typically in the form of limestone, in a process called calcination. The chemical

Correct Answer: 1789

Solution : The correct answer is 1789.

The French Revolution was a time of profound social and political transformation in France that affected not just that country, but also the entire Europe. The Revolution also brought about the establishment of many modern democratic principles, such as citizenship

Correct Answer: Africa

Solution : The correct option is Africa.

The Sahara Desert is in the Africa. It is the largest hot desert in the world and covers a significant portion of North Africa. The Sahara Desert spans across several countries in North Africa. It covers parts of Algeria,

Correct Answer: 42

Solution : Given:
The sum of three numbers $= 252$
Let the second number be $x$.
Since the first number is thrice the second and the third number is $\frac{2}{3}$rd of the first.
Thus, the first number is $3x$.
The third number is $\frac {2}{3} × 3x

Correct Answer: 1

Solution : The correct improvement for the sentence is the first option.

"Very glad" adds emphasis to his feeling of happiness, making the sentence more expressive. It maintains the meaning of the sentence. "Too" is used in a negative sense and "very" is used in a positive

Correct Answer: All her classmates laughed at Darshana.

Solution : The correct choice is the first option.

The original sentence adopts a passive voice construction, with Darshana as the recipient of the action. Active voice is the voice where the subject performs the action. In this case, "all her

Correct Answer: 1.125 m

Solution : Given: A well of 3 m in diameter is dug 14 m deep.
Here, $h_1=14\ m$, $r_1=\frac{3}{2}\ m,$ and $r_2=4+\frac{3}{2}=\frac{11}{2}\ m$
We know that the volume of the cylinder = $\pi r^2h$

Let the height of the embankment be $h_2\ m$.
According to the

Correct Answer: $1 \frac{1}{4}$

Solution : Given, A, B, and C can separately do a work in 6, 10, and 15 days, respectively.
Work done by A in a day= $\frac{1}{6}$
Work done by B in a day = $\frac{1}{10}$
Work done by C in a day = $\frac{1}{15}$
Work

Correct Answer: 4025

Solution : Total numbers between 121 and 999 are given by 999 – 121 + 1 = 879
Since these are 3-digit numbers from 121 to 999, the keys have to be pressed 3 times for each number.
This can be calculated thus: 879 × 3 =

Correct Answer: physical

Solution : The correct choice is the third option.

In the context of experiencing abuse, the most appropriate word to use would be physical. This implies that the abuse involves actual bodily harm or injury, aligning with the idea that there was physical harm involved in