text: Ex 1.5
  
  Chapter 1 Class 11 Sets
  Serial order wise
  
  Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class
  
  ### Transcript
  
  Ex 1.5, 3 Taking the set of natural numbers as the universal set, write down the complements of the following sets: (i) {x: x is an even natural number} Universal set is the set of natural numbers {x: x is an even natural number}’ = {x: x is an odd natural number} Ex 1.5, 3 Taking the set of natural numbers as the universal set, write down the complements of the following sets: (iv) {x: x is a prime number} U is set of natural numbers {x: x is a prime number}´ = {x: x ∈ N and x is a composite number or x = 1}
explanation: The document contains a math question from a textbook or worksheet, specifically from Chapter 1, Class 11 Sets. It asks for the complements of certain sets within the universal set of natural numbers. The document provides the answers to the questions.
distilabel_metadata.content: Evaluate the user given text extract and determine if it contains a math question and optionally and answer to this question.
  
  Output rules:
  
  1. Briefly describe the document and mention if it contains a question or a question and answer.
  2. Finalize the output with: Label: no-question,question,question-and-answer,multiple-question,multiple-question-and-answer
distilabel_metadata.role: system
distilabel_metadata.content: Ex 1.5
  
  Chapter 1 Class 11 Sets
  Serial order wise
  
  Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class
  
  ### Transcript
  
  Ex 1.5, 3 Taking the set of natural numbers as the universal set, write down the complements of the following sets: (i) {x: x is an even natural number} Universal set is the set of natural numbers {x: x is an even natural number}’ = {x: x is an odd natural number} Ex 1.5, 3 Taking the set of natural numbers as the universal set, write down the complements of the following sets: (iv) {x: x is a prime number} U is set of natural numbers {x: x is a prime number}´ = {x: x ∈ N and x is a composite number or x = 1}
distilabel_metadata.role: user
distilabel_metadata.raw_output_q_a_detector_0: The document contains a math question from a textbook or worksheet, specifically from Chapter 1, Class 11 Sets. It asks for the complements of certain sets within the universal set of natural numbers. The document provides the answers to the questions.
  
  Label: question-and-answer