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Day 25

Sleepy CSAT PYQ Series

Today, we will be looking at a Quant Question.

We alternate between RC, LR and Quant PYQs in this series.

Try to solve it.

Solutions will be provided later today.

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Solution to Today's CSAT PYQ

Notice that every single number in this sequence is odd.

Also, notice the number 5 is sitting right there in the series.

Any odd number multiplied by 5 will always end in a 5.

Because there is absolutely no even number in this series to turn that 5 into a zero, the unit digit is mathematically guaranteed to be 5.

Option C is your answer.

We are surviving on a silent thermal loan.

If the oceans hadn't absorbed our excess heat, the air we breathe would be a catastrophic 36°C hotter today.

​𝗥𝗲𝗰𝗼𝗿𝗱 𝗧𝗲𝗺𝗽𝗲𝗿𝗮𝘁𝘂𝗿𝗲𝘀:
Global sea-surface temperatures hit unprecedented highs (crossing 21.1°C) driven by global warming and an intensifying El Niño.

​𝗢𝗰𝗲𝗮𝗻𝘀 𝗮𝘀 𝗖𝗹𝗶𝗺𝗮𝘁𝗲 𝗕𝘂𝗳𝗳𝗲𝗿𝘀:
Oceans absorb over 90% of excess global warming heat, but this causes marine ecosystem stress, disrupted food webs, and weather anomalies.

​𝗦𝗲𝗮-𝗟𝗲𝘃𝗲𝗹 𝗥𝗶𝘀𝗲:
Global average sea levels rose about 11 cm by the end of 2025 compared to January 1993.

​𝗠𝗶𝘁𝗶𝗴𝗮𝘁𝗶𝗼𝗻 𝗜𝗺𝗽𝗲𝗿𝗮𝘁𝗶𝘃𝗲:
Urgent need to cut fossil fuels, transition to clean energy, and reduce greenhouse gas emissions.

​𝗦𝘁𝗿𝗲𝗻𝗴𝘁𝗵𝗲𝗻𝗶𝗻𝗴 𝗔𝗱𝗮𝗽𝘁𝗮𝘁𝗶𝗼𝗻:
India must invest in protecting its 10,000+ km coastline, restoring natural barriers, improving urban drainage, and advancing climate-resilient agriculture.

Nepal GLOF is one of the scariest we have seen

Sharing how it might have happened

And most importantly is it completely natural or has man added to its own woes

https://youtube.com/shorts/zmm9x341Jvo?si=VsQR8SA9H0mU69Vy

​𝗙𝗼𝗼𝗱 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆 𝗣𝗿𝗼𝗴𝗿𝗲𝘀𝘀:
India transitioned from 1960s aid dependency to a major food producer subsidizing 800 million people via the NFSA, 2013.

​𝗖𝗹𝗶𝗺𝗮𝘁𝗲 𝗩𝘂𝗹𝗻𝗲𝗿𝗮𝗯𝗶𝗹𝗶𝘁𝗶𝗲𝘀:
Rising temperatures, erratic monsoons, and extreme weather disrupt crop yields, storage, and transport infrastructure across the value chain.

​𝗣𝗿𝗼𝗰𝘂𝗿𝗲𝗺𝗲𝗻𝘁 𝗗𝗶𝘃𝗲𝗿𝘀𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻:
Moving beyond concentrated rice-wheat systems to include climate appropriate millets, pulses, and local crops strengthens dietary diversity and reduces risk.

​𝗥𝗲𝘀𝗶𝗹𝗶𝗲𝗻𝘁 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲:
Upgrading to flood resilient warehouses, expanding cold chains, and implementing climate resilient farming tools are critical for safeguarding perishables.

​𝗣𝗼𝗹𝗶𝗰𝘆 𝗦𝗵𝗶𝗳𝘁:
National policy must transition from basic food security to "sustainable food security," embedding climate risk management directly into NFSA planning.

Why the new age marxists criticised Marx for his views on religion

Let me share some insights

https://youtu.be/dIfkRsyBEyQ?si=wdgL0FNrNsdKYPqE

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A city isn't truly developed when everyone owns a car.

It is developed when robust public infrastructure makes cars unnecessary.

​𝗠𝗶𝗴𝗿𝗮𝘁𝗶𝗼𝗻 𝗗𝗿𝗶𝘃𝗲𝗿𝘀:
Rural migration is driven by livelihood gaps and natural disasters, with 54% of internal urban migrants originating from rural areas.

​𝗣𝗼𝗹𝗹𝘂𝘁𝗶𝗼𝗻 & 𝗖𝗼𝗻𝗴𝗲𝘀𝘁𝗶𝗼𝗻:
Rapid vehicle ownership growth, construction dust, and high PM2.5 levels (averaging 175 µg/m³ in Delhi winters) severely degrade urban air quality.

​𝗪𝗮𝘁𝗲𝗿 𝗖𝗿𝗶𝘀𝗶𝘀:
Around 600 million Indians face severe water stress as climate change and urbanization strain supply systems.

​𝗙𝗹𝗮𝘄𝗲𝗱 𝗣𝗹𝗮𝗻𝗻𝗶𝗻𝗴:
Car-centric urban design prioritizes vehicles over pedestrians and cyclists, shrinking open spaces and causing exhausting daily commutes of 4 to 5 hours.

​𝗣𝗼𝗹𝗶𝗰𝘆 𝗜𝗺𝗽𝗲𝗿𝗮𝘁𝗶𝘃𝗲𝘀:
Cities must shift focus toward reliable public transport, safe footpaths, accessible public spaces, and robust rural infrastructure to reduce distress migration.

Solution to CSAT PYQ

Question 3: (d)

​The central argument focuses on how an early and gradual transition minimizes disruption, making timing the crucial factor for green technology development.

​Question 4: (b) II only

​Statement I: Invalid.
The passage discusses path-dependence conceptually but never mentions specific nations like India or public finances. This extrapolates too far beyond the text.

​Statement II: Valid.
The author uses solar energy as the primary evidence to show that early efforts compound into lower costs. Assuming that an easier transition will occur if other technologies replicate this exact solar pattern is a reasonable inference based on the passage's logic.