Correct Answer: 16.67%

Solution : A alone can complete half of a work in 150 days.
So, A can do the full work in 150 × 2 = 300 days
A's 1 day's work = $\frac{1}{300}$
A's 50 days work = $\frac{1}{300}×50=\frac{1}{6}$
Percentage of work done = $\frac{\frac{1}{6}}{1}×100=16.67$%
Hence, the

Correct Answer: Kerala

Solution : The correct answer is Kerala.

Mohiniyattam is a classical dance form that originated in the southern Indian state of Kerala. It is known for its graceful movements, expressive gestures, and intricate footwork, often performed to Carnatic music. The name " Mohiniyattam" is derived from the

Correct Answer: Boron

Solution : The correct answer is boron.

Among the options provided, boron is an example of a metalloid. Metalloids are elements that exhibit properties of both metals and non-metals. Boron is situated on the periodic table in the boron group and has characteristics that are intermediate

Correct Answer: Ghiyas ud din Balban

Solution : The correct answer is Ghiyas ud din Balban.

When Ghiyas ud din Balban became the ruler, the Delhi sultanate was in a state of chaos due to the ineptness of the followers of Iltutmish. Foreign invasions were frequent. He reorganised the army

Correct Answer: 21.78 km/hr

Solution : Use the formula, $\text{Average speed}=\frac{\text{Total distance}}{\text{Total Time taken}}$
The time needed to go from city A to city B $=\frac{80}{16}=5$ hours
The time needed to go from city B to city C $=\frac{120}{40}=3$ hours
The time needed to go from city C to city

Correct Answer: calcium carbonate

Solution : The correct answer is calcium carbonate.

Lime water is chemically known as calcium hydroxide, which turns milky when carbon dioxide is passed through it. When carbon dioxide reacts with calcium oxide, it leads to the formation of calcium carbonate. It is a milky

Correct Answer: 12

Solution : The average of a set of numbers is calculated by adding all the numbers and then dividing by the count of the numbers. 
Average = $\frac{\text{Sum of all the observations}}{{\text{Total number of observations}}}$
Average = $\frac{12 + 14 + 8 + 10 + 16}{5}$ =

Correct Answer: 1728 m³

Solution : Given: The edges of the cube are 12 metres long.
The amount of air that can be held in a cubical box = The volume of the cube = (side)³
Now, the volume of the cube = (side)³ = 12³

Correct Answer: 119

Solution : Given:
482, 239, 158, 131, 122, ?

The pattern is as follows –
482 – 243 = 239
239 – (243 ÷ 3) = 239 – 81 = 158
158 – (81 ÷ 3) = 158 – 27 = 131
131 – (27 ÷ 3)

Correct Answer: Rs. 20,000

Solution : Given: X and Y can complete a piece of work in 12 and 60 days.
The total work of X and Y is LCM of (12, 60) = 60 units
1 day's work by X $=\frac{60}{12}=5$
1 day's work by Y $=\frac{60}{60}=1$
So, the