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Correct Answer: 360 cm²

Solution : Given: Base = 10 cm
Height = 12 cm
$\therefore$ Slant height $=\sqrt{{\text{height}^2+(\frac{\text{base}}{2})^2}}=\sqrt{12^2+5^2}$ = $\sqrt{144+25}=\sqrt{169} = 13$ cm
Lateral surface area = $\frac{1}{2}$ × perimeter of base × slant height = $\frac{1}{2}$ × 40 × 13 = 260 cm²
Area of base

Correct Answer: Cacographer

Solution : The correct choice is the second option, cacographer.

A cacographer is someone who has poor handwriting or spelling abilities. It refers to a person who writes or spells poorly, often producing illegible or error-filled written work.

The meanings of the other options are as

Correct Answer: patrol

Solution : The correct choice is the third option.

Explanation: The key to solving this question lies in understanding the context of the words and their meanings. In the given context, the phrase to go around an area to keep a watch implies a continuous vigil or

Correct Answer: 512

Solution : Given:
5 : 125 :: 8 : ?

Cube the first number, to get the second number in each number pair –
Like, 5 : 125→(5)³ = 125
Similarly, follow the same pattern for 8 : ?→
(8)³ = 512

So, the required

Correct Answer: Julius Lothar Meyer

Solution : The correct option is Julius Lothar Meyer.

The German chemist who first showed a graphical representation of the periodicity of an atomic volume plotted against atomic weight was Julius Lothar Meyer. Meyer, along with Dmitri Mendeleev, independently developed early versions of the

Correct Answer: biased

Solution : The third option is correct.

Explanation: The grammatical hint here is to find a term that conveys a lack of impartiality or fairness, as implied by the word partisan. Biased aligns with the idea of being inclined towards a particular viewpoint or group,

Correct Answer: 1951-1981

Solution : The correct answer is 1951-1981.

India's population boom is said to have occurred between 1951 and 1981. The country's high fertility rate, combined with a sharp decline in the death rate, was the cause. The yearly growth rate, on average, reached 2.2 per cent.

Correct Answer: Copper

Solution : The correct option is Copper.

Copper is a chemical element (symbol Cu) often used in its pure, elemental form. While copper can be alloyed with other elements to form alloys like brass (copper and zinc) and bronze (copper and tin), it is also used

Correct Answer: congenial

Solution : The correct answer is the fourth option.

Explanation:
Hospitable implies a friendly and welcoming demeanour, particularly in the context of accommodating guests. Congenial is the most fitting synonym in this case, as it shares a similar positive connotation.

The meanings of the other options

Correct Answer: Highly volatile

Solution : The correct option is Highly volatile.

Liquid spirits evaporate very quickly because they are highly volatile. Spirit gives our bodies a cooling sensation because, when we apply it to our bodies, its particles absorb energy from the surface and evaporate.