Q1. Select the related letter-cluster from the given alternatives: BCD : EFG :: LMN : ?
Why: Each letter is shifted forward by +3 positions: B+3=E, C+3=F, D+3=G. Applying +3 to LMN gives O, P, Q.
Q2. If the cost price of 15 articles is equal to the selling price of 10 articles, find the profit percentage.
Why: Let CP of 1 article = ₹1. CP of 10 = ₹10. SP of 10 = CP of 15 = ₹15. Profit = 15 - 10 = 5. Profit % = (5/10) * 100 = 50%.
Q3. Which article of the Indian Constitution empowers the President to declare a National Emergency?
Why: Article 352 deals with National Emergency, Article 356 with President's Rule in States, and Article 360 with Financial Emergency.
Q4. Select the synonym of the given word: 'METICULOUS'
Why: Meticulous means showing great attention to detail; careful and precise.
Q5. A train running at 72 km/h crosses a 200m long platform in 20 seconds. What is the length of the train?
Why: Speed in m/s = 72 * (5/18) = 20 m/s. Total distance = Speed * Time = 20 * 20 = 400m. Length of train = 400 - 200 = 200m.