d-s-b/Router
0.3B • Updated • 2 • 2
query stringlengths 26 315 | level_of_reasoning stringclasses 3
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Design a beginner-friendly 14-day Python learning plan that fits into 30 minutes per day and outline the topics to study each day. | low_reasoning |
A shopper buys 2 jackets at $59.99 each and 3 hats at $14.95 each. What is the total cost before tax? | low_reasoning |
What is the largest planet in our solar system? | no_reasoning |
Describe the main steps to prove that the square root of 2 is irrational. | high_reasoning |
What steps would you take to optimize a binary search implementation in Python and explain why its time complexity is O(log n)? | high_reasoning |
A train travels at 60 km/h for 2 hours, then at 80 km/h for 1.5 hours. What is the total distance traveled? | low_reasoning |
Explain how to bake a chocolate cake from scratch, listing ingredients, oven temperature, and a step-by-step procedure. | high_reasoning |
What are the basic steps to bake a chocolate chip cookie from scratch? | low_reasoning |
What are the main differences between supervised and unsupervised learning, and can you provide a simple example for each? | low_reasoning |
A recipe calls for 3/4 cup of sugar. If you only have a 1/3 cup measuring cup, how many times do you fill it to reach 3/4 cup? | low_reasoning |
A recipe makes 6 servings with 2 cups of flour. How many cups of flour are needed for 15 servings, and how much sugar is needed if the original recipe uses 0.5 cups of sugar for 6 servings? | low_reasoning |
Two trains start from cities A and B toward a common destination. Train 1 departs A at 08:15 traveling at 85 km/h, and Train 2 departs B at 08:45 traveling at 95 km/h. The distance between A and B is 420 km. At what time will the trains meet, and what distances will each have traveled by then? | high_reasoning |
Which country has the largest population in South America, and what is its capital city? | low_reasoning |
What is the capital city of Canada? | low_reasoning |
A car travels 120 miles at 60 mph and then 90 miles at 30 mph. What is the average speed for the entire trip? | low_reasoning |
What is the capital city of Japan? | no_reasoning |
If a train travels at 60 miles per hour for 2.5 hours, how far does it travel? | low_reasoning |
What is the area of a circle with radius 7 cm? | low_reasoning |
Compute the area of a triangle with base 10 and height 6 and explain the steps. | low_reasoning |
If a train travels at 80 km/h for 1.5 hours, what distance does it cover? | low_reasoning |
A train travels at 60 mph for 2.5 hours. How far does it travel? | low_reasoning |
What is the capital of France? | no_reasoning |
What is the result of 837 divided by 9? | no_reasoning |
Propose a data-driven, step-by-step plan for achieving carbon neutrality for a mid-size manufacturing company within 10 years, including milestones, budget estimates, risk assessment, and metrics to track progress. | high_reasoning |
What is the derivative of x^2 with respect to x? | no_reasoning |
What is the capital city of France? | no_reasoning |
Explain how to implement a scalable chat system using microservices, detailing the architecture, data flow, fault tolerance, and trade-offs. | high_reasoning |
Describe, in simple terms, how a solar photovoltaic panel turns sunlight into electrical energy and name the main components involved. | low_reasoning |
If you buy 3 apples at $1.20 each and pay with a $10 bill, how much change do you receive? | low_reasoning |
Explain the steps to balance the chemical equation Fe + O2 -> Fe2O3 and provide the balanced equation. | high_reasoning |
What is the derivative of x^2 with respect to x, evaluated at x = 3? | low_reasoning |
What are the best approaches to optimize a SQL query that performs a full table scan on a large table and still returns results within acceptable latency? | high_reasoning |
Given a list of integers, return the longest increasing subsequence and explain the algorithm with its time complexity. | high_reasoning |
A rectangle has a length of 8 cm and a width that is 3 cm shorter than the length. What is its area in square centimeters? | low_reasoning |
Explain how to calculate compound interest for a principal amount P with annual interest rate r over t years. | low_reasoning |
Outline a high-level plan to migrate a monolithic web application to a microservices architecture, including suggested tech stack, data management considerations, and deployment strategy. | high_reasoning |
Explain, step by step, how to prove that the alternating harmonic series 1 - 1/2 + 1/3 - 1/4 + ... converges and equals ln(2), including the key theorems and any conditions required. | high_reasoning |
A car travels at 60 kilometers per hour for 3 hours. How many kilometers does it travel in total? | low_reasoning |
Given a dataset of daily temperatures for the past year, describe how you would identify the seasonal cycle and build a simple forecast model, including data preprocessing steps and how you would evaluate forecast accuracy. | high_reasoning |
A customer buys 3 apples at $0.75 each and 2 bananas at $1.25 each. What is the total cost of the fruits? | low_reasoning |
If a bakery sells 3 chocolate cookies for $5, how much revenue would they make from selling 9 cookies? | low_reasoning |
A right triangle has legs of length 3 and 4. What is the length of the hypotenuse, and show your calculation. | low_reasoning |
Explain how to solve the quadratic equation x^2 - 5x + 6 = 0 using the quadratic formula and provide the roots. | high_reasoning |
If a fair six-sided die is rolled twice, what is the probability that the sum is 7, and show your calculation steps. | high_reasoning |
A store offers a 15% discount on a $120 item. What is the final price after the discount? | low_reasoning |
If a credit card balance of $1,000 accrues 1.5% monthly interest compounded monthly, what is the balance after 12 months? | low_reasoning |
From a hat containing 3 red balls and 2 blue balls, you draw two balls without replacement. What is the probability that exactly one red ball is drawn? | high_reasoning |
What is the sum of the first 10 positive integers? | low_reasoning |
Explain the steps to calculate the area of a circle given its radius. | low_reasoning |
Convert 7.5 kilometers to miles. | low_reasoning |
Describe how to implement a basic convolutional neural network from scratch in Python using only NumPy, including forward pass, backpropagation, a simple training loop, and a brief discussion of computational complexity. | high_reasoning |
What is the tallest mountain in the world? | no_reasoning |
If a rectangle has length three times its width and the perimeter is 48 units, what are the dimensions of the rectangle? | low_reasoning |
Design a strategy to optimize delivery routes for a fleet of vehicles with limited capacity (the capacitated vehicle routing problem) and outline how you would evaluate its performance under different demand and traffic scenarios. | high_reasoning |
Compute the derivative of x^2 with respect to x and evaluate at x = 3. | low_reasoning |
Provide a concise, step-by-step recipe to bake a chocolate cake, including ingredients, oven temperature, and timing. | low_reasoning |
A bakery sells croissants in packs of 6 and muffins in packs of 4. If you buy 3 croissant packs and 5 muffin packs, how many items do you have in total? | low_reasoning |
What are the main differences between machine learning and deep learning, and can you give a simple example of each? | low_reasoning |
What is the chemical symbol for gold? | no_reasoning |
A bat and a ball together cost $1.10, and the bat costs $1.00 more than the ball. How much does the ball cost? | low_reasoning |
Explain the water cycle in simple terms and list the main stages. | low_reasoning |
What is the capital of Japan? | no_reasoning |
Explain how to solve a system of two linear equations by elimination, and provide a step-by-step example. | high_reasoning |
Describe the key differences between supervised and unsupervised learning, and provide a simple real-world example for each. | low_reasoning |
Outline a plan to migrate a legacy monolithic application to a microservices architecture, including phased steps, risk assessment, and success metrics. | high_reasoning |
A factory uses two machines, A and B. Machine A accounts for 60% of production and has a 2% defect rate, while Machine B accounts for 40% and has a 1% defect rate. If a randomly selected unit is defective, what is the probability that it was produced by Machine A? | high_reasoning |
Provide a proof by contradiction that there are infinitely many prime numbers. | high_reasoning |
Provide a step-by-step plan for migrating an e-commerce platform from a monolithic architecture to microservices, detailing module decomposition, data migration strategy with eventual consistency, deployment milestones, and how to monitor and rollback changes to ensure zero downtime. | high_reasoning |
Explain the main steps of photosynthesis in a simple way and give a short analogy for a younger student. | low_reasoning |
What is the derivative of sin(x) with respect to x? | no_reasoning |
Describe the steps of photosynthesis in plants and explain how light energy is converted into chemical energy. | high_reasoning |
Explain the difference between supervised and unsupervised learning and provide a simple example for each. | low_reasoning |
Generate a simple plan for training a binary classifier on a small dataset, including data preprocessing, model selection, and evaluation metrics. | low_reasoning |
In a recipe, the ratio is 2 cups of flour for every 3 cups of milk. If you use 9 cups of milk, how many cups of flour are required? | low_reasoning |
Compute the sum of the first 20 positive integers. | low_reasoning |
A bakery offers cupcakes at $3 each and muffins at $2.50 each. If you buy 4 cupcakes and 3 muffins, what is the total cost? | low_reasoning |
How would you design a robust machine learning workflow for predicting customer churn when the data has class imbalance, feature sparsity, and potential data drift, including data preprocessing, model selection, evaluation metrics, and deployment considerations? | high_reasoning |
What is the time complexity of binary search on a sorted array, and how would you explain it to a beginner? | low_reasoning |
Design a 3-day itinerary for Kyoto that minimizes travel time, avoids peak hours, and balances visits to temples, shrines, cafes, and food experiences. | high_reasoning |
A puzzle: If two trains start from the same point, train A travels at 60 mph and leaves at 9:00 AM, train B travels at 75 mph and leaves at 9:20 AM in the same direction. After how many miles will train B overtake train A? | high_reasoning |
What is the minimum number of coins needed to make 37 cents using denominations of 1, 5, and 10 cents? | low_reasoning |
Calculate the total cost if an item priced at $24.99 is discounted by 15% and then a 7.5% sales tax is applied. | low_reasoning |
Prove that the square root of 2 is irrational using a proof by contradiction. | high_reasoning |
If a phone battery loses 5% charge per hour, how many hours until it drops from 100% to 60%? | low_reasoning |
Explain, step by step, how to compute the derivative of sin(x^2) with respect to x using the chain rule, and then evaluate the derivative at x = 0. | high_reasoning |
Explain in simple terms how photosynthesis works. | low_reasoning |
A rectangle has length 8 cm and width 3 cm. What is its area in square centimeters? | low_reasoning |
What is the next prime number after 1000, and provide a brief justification for its primality. | high_reasoning |
Describe the steps of the quicksort algorithm and explain why its average-case time complexity is O(n log n). | high_reasoning |
Explain how to bake a chocolate cake from scratch, listing all ingredients and typical baking times and temperatures. | low_reasoning |
Explain how photosynthesis works in plants. | low_reasoning |
Explain step by step how to solve the system of linear equations: 2x + 3y = 5 and x - y = 1. | high_reasoning |
A rectangle has width 60 meters and height 40 meters. You plant a tree every 5 meters along the perimeter, starting at one corner. Additionally, you plant a tree every 4 meters along each of the two longer sides (the 60-meter sides), but you do not plant trees at corners twice. How many trees are planted in total? | high_reasoning |
Create a SQL query that returns customers whose total order value exceeds $1,000 in the last 12 months, and explain how to optimize it for very large databases. | high_reasoning |
List three common methods to back up personal data on a laptop and briefly note one advantage of each. | low_reasoning |
Solve for x in the equation 7x - 4 = 3x + 20 and show the steps. | low_reasoning |
Outline a plan to train a text classification model that labels product reviews as positive or negative, including data preprocessing, model architecture, evaluation strategy, and potential ethical considerations. | high_reasoning |
Describe a step-by-step approach to design a caching layer for a REST API that maximizes cache hit rate while staying within a fixed memory budget. Include data structures, eviction policy rationale, and a qualitative complexity/throughput analysis. | high_reasoning |
How would you optimize a SQL query to efficiently use an index on a large table with millions of rows, and what metrics would you use to verify the improvement? | high_reasoning |
If a car is traveling at 50 km/h for 3 hours, how far will it travel in kilometers? | low_reasoning |
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