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Correct Answer: B.B. Battacharya

Solution : Correct Answer is B.B. Battacharya

Indian economist and educator Barid Baran Bhattacharya was a pioneer in his field. He served as Jawaharlal Nehru University's vice chancellor. Bhattacharya was a renowned economist who was well-known throughout the world. He held significant affiliations with a number

Correct Answer: sending a frame to a group of stations

Solution : The correct answer is sending a frame to a group of stations.

Multicast is a type of group communication in which a sender simultaneously distributes data to several recipients or network nodes. It is a form of

Correct Answer: Canada

Solution : The correct option is Canada.

The 2011 Census shows Canada is not included in the top ten populous countries. Canada is the second-largest country in land area but still has a small population due to its harsh climate. It is located on the North American

Correct Answer: Rs. 1,500

Solution : Let the marked price of the watch be $x$.
After the 5% discount the selling price = $x×(\frac{100-5}{100})$ = $\frac{95x}{100}$
Also after an 8% discount the selling price = $x×(\frac{100-8}{100})$ = $\frac{92x}{100}$
According to the question,
$\frac{95x}{100}-\frac{92x}{100}=45$
⇒ $3x=4500$
⇒ $x=\frac{4500}{3}=1,500$
Hence, the correct

Correct Answer: Husband’s father

Solution : Given:
A @ B ⇒ A is the husband of B
A & B ⇒ A is the mother of B
A # B ⇒ A is the daughter of B

As per the given information, the family tree will be as follows –

Correct Answer:

Solution : According to the given figures –
From box 1 to box 2 –

1. The circle is shifted from the top left corner to the bottom left corner and the line at the middle of that circle changes its orientation from vertical to horizontal.
2. The

Correct Answer: Dolly

Solution : The correct option is Dolly.

A sheep named Dolly was cloned in 1996 by a team of scientists led by Wilmut at the Roslin Institute in Scotland. It was the most famous animal cloning achievement. Dolly was created by cloning the mammary gland cells

Correct Answer: $\pi x(x+\mathrm{d})$

Solution : Radius of circular region ($r$) = $\frac{d}{2}$
Width of path = $x$ m
External radius of path ($R$) = $\frac{d}{2} + x$
As we know,
Area of path = $π(R^2 - r^2)$
= $\pi[(\frac{d}{2} + x)^2 - (\frac{d}{2})^2]$
= $\pi [\frac{d^2}{4} + x^2+ dx

Correct Answer: $25\%$

Solution : We have,
Let the cost price be $x$.
The Printing cost of the book = 20% of the cost price = 0.2$x$
The Royalty on the book = 15% of the cost price = 0.15$x$
The required percentage = $\frac{0.20x-0.15x}{0.20x}$ × 100 = 25%
Hence,

Correct Answer: INR 4,000

Solution : Increase in simple interest for 3 years at a 5% higher rate = INR 600
Increase in simple interest for 1 year at a 5% higher rate = $\frac{600}{3}$ = INR 200
Let $P$ be the principal sum.
$\frac{PnR}{100}$ = S.I.
⇒ $\frac{P×1×5}{100}$ =