Which of the following statements are correct?
A. A man purchased an item at of its selling price ‘X’, and sold it at 5% more than ‘X’. His gain is 25%.
B. A dealer professes to sell his goods at cost price but uses a weight of 900g for a kg weight. His gain is 11 %.
C. If loss is one third of the selling price, the loss percentage is 25%.
D. By selling 100 pens, a vendor gains the selling price of 20 pens. His gain is 20%.
Choose the correct answer from the options given below:

Correct option is B

From Statement B-
Let's assume the cost price of 1 kg of the product is C.
He sells 900 g at the cost price of 1 kg, i.e., at C.
Actual cost for 900 g = (900/1000) × C = 0.9C
Gain = Selling price - Actual cost = C - 0.9C = 0.1C
Gain percentage = (0.1C / 0.9C) × 100 = 11.11%
This statement is  correct.
From Statement C-
Loss = (1/3)S
Cost price C = S + (1/3)S = (4/3)S
Loss percentage = ((1/3)S / (4/3)S) × 100 = 25%
Additional Information: This statement is  correct.
From Statement A-
Let's assume the selling price, X.
Purchase price = 45% of X = 0.45X
Selling price = X + 0.05X = 1.05X
Gain = Selling price - Purchase price = 1.05X - 0.45X = 0.60X
Gain percentage = (0.60X / 0.45X) × 100 = 133.33%
This statement is  incorrect because the gain percentage is not 25%.
From Statement D: 
Total selling price of 100 pens = 100S
Gain = 20S
Cost price of 100 pens = Total selling price - Gain = 100S - 20S = 80S
Gain percentage = (20S / 80S) × 100 = 25%
This statement is  incorrect because the gain percentage is not 20%.
The correct statements are  B and  C.
Comprehension:(Que No. 46 - 50)
Read the following passage and answer the questions that follow:
Micron's $ 800 million semiconductor plant followed by recent approval to Tata Group and CG Power for fabrication and Assembly, Testing and Packaging (ATP) plants with an investment of ₹ 1,30,000 crore (and more in the pipeline) are the beginning of a transformational global supply chain shift centered around chip manufacturing in India. This will create a multiplier effect on talented and skilled workforce inside India.
It's a matter of pride that almost one-third of the global semiconductor talent pool is Indian. However, the need for domestic semiconductor workforce is estimated to be around 3,00,000 by 2026. In addition, there is also a huge manpower requirement of almost six million in the electronics manufacturing sector which will be the largest beneficiary of this chip boom.
The current combined Science, Technology, Engineering and Mathematics (STEM) graduate output from India's higher education institutions is inadequate.
The growth is certainly going to come from the non-IITian orbit and the policy path ways of the Ministries of Electronics and IT and Education converge to present bountiful opportunities for industry and academia to work together.
This industry academia synergy was key to India's software success story. Now a similar trifecta of government-industry-academia is needed to make this a winning semicon trio.