Correct Answer: 294 cm²

Solution : We know that the diagonal of a cube = a$\sqrt3$
According to the question,
a$\sqrt3$ = 7$\sqrt{3}$
⇒ a = 7
Now, the Surface area of the cube = 6a² = 6(7)² = 294 cm²
Hence, the correct answer is

Correct Answer: affected

Solution : The correct answer is in option two.

The correct sentence is: Krisda's stories affected me very strangely.

Affected means to have an influence on something. In this context, it means that Krisda's stories had a strong impact on the speaker.

Correct Answer: rivers wash away the salts from the Earth and pour them into the sea

Solution : The correct option is rivers wash away the salts from the Earth and pour them into the sea.

Rainwater is relatively clean, with few dissolved minerals. Rainwater, on the other hand, gathers

Correct Answer: 312

Solution : Given:
25 : 264 :: 31 : ? :: 49 : 456

Like, 25 : 264→(25 × 8) + (8)² = 200 + 64 = 264
49 : 456→(49 × 8) + (8)² = 392 + 64 = 456
Similarly, for 31 :

Correct Answer:

Solution : On comparing the question figure and all the answer figures, the following figure will combine and make the complete pattern –

Hence, the first option is correct.

Correct Answer: Disregard

Solution : The correct choice is the second option.

The word care implies a sense of concern, attention, or consideration for something or someone. Its opposite would be a lack of concern or attention. Disregard is the correct antonym in this context. It means to pay

Correct Answer: Guru Deba Prasad

Solution : The correct answer is Guru Deba Prasad.

The Indian Audit and Accounts Service's career officer, Shovana Narayan, is also a Kathak dancer. In addition to performing in India and beyond, she was awarded the Padma Shri. Her guru was Birju Maharaj. Shovana

Correct Answer: 40

Solution : Let the number of boys be $x$.
The total weight of the boys is $36x$ kg.
Now one boy weighing 42 kg leaves the group and another boy weighing 30 kg joins the group,
⇒ Total weight of the boys = $(36x - 42 +

Correct Answer: 60 hours

Solution : Using: If a man can do the work in $n$ hours, then 1 hour's work of the man $=\frac{1}{n}$. Man's work in an hour = $\frac{1}{30}$
Man and son's work in an hour = $\frac{1}{20}$
Son can complete the work = $\frac{1}{20}-\frac{1}{30}$
⇒ $\frac{3-2}{60}$

Correct Answer: Brother's wife

Solution : According to the above information, the family tree will be as follows –

Here, the quadrilateral represents the male, and the circular figure represents the female in the figure.

So, the lady in the family picture is Sneha's brother's wife. Hence, the second option