Home
Class 10
MATHS
If p ge 5 is a prime number, show that p...

If `p ge 5` is a prime number, show that `p^2 + 2` is a composite number.

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A fair die is rolled once. Statement 1: the probability of getting a composite number is 1/3. Statement2: There are three possibilities for the obtained number (i) the number is a prime number, (ii) the number is a composite number, and (iii) the number is 1. Hence, probability of getting a prime number is 1/3.

In the following question, we ask you to prove a statement. List the step in proof, and give the reason for step. If pge5 is a prime number,show that p^2+2 is divisible by 3.

For the following compound statements, identify the connecting words and then write the component statement : 13 is not a prime number or 15 is not a composite number.

Fill in the blank. The fraction whose numerator is smallest odd prime number and denominator is the smallest composite number is _____.

A number is selected at random from the first 25 natural numbers. If it is a composite number, then it is divided by 5. But if it is not a composite number, it is divided by 2. Find the probability that there will be no remainder in the division.

If p and q are positive real numbers such that p^2+ q^2=1 , then the maximum value of (p +q) is :

Greatest 2-digit prime number is:

MBD-Appendix - A1-Exercise
  1. Prove that the sum of the two consecutive odd numbers is divisible by ...

    Text Solution

    |

  2. Take two consecutive odd numbers. Find the sum of their squares, and t...

    Text Solution

    |

  3. If p ge 5 is a prime number, show that p^2 + 2 is a composite number.

    Text Solution

    |

  4. Let x and y be rational numbers. Show that xy is a rational number.

    Text Solution

    |

  5. If a and b are positive integers, then you know that a=bq+r, such that...

    Text Solution

    |

  6. A line parallel to BC of a triangle ABC, intersects AB and AC at D and...

    Text Solution

    |

  7. State the negations for the following statements : Man is mortal.

    Text Solution

    |

  8. State the negations for the following statements : Line l is parallel ...

    Text Solution

    |

  9. State the negations for the following statements : This chapter has ma...

    Text Solution

    |

  10. State the negations for the following statements : All integers are ra...

    Text Solution

    |

  11. State the negations for the following statements : Some prime numbers ...

    Text Solution

    |

  12. State the negations for the following statements : No student is lazy.

    Text Solution

    |

  13. State the negations for the following statements : Some cats are not b...

    Text Solution

    |

  14. State the negations for the following statements : There is no real nu...

    Text Solution

    |

  15. State the negations for the following statements : 2 divides the posit...

    Text Solution

    |

  16. State the negations for the following statements : Intergers a and b a...

    Text Solution

    |

  17. In each of the following questions, there are two statements. State if...

    Text Solution

    |

  18. In each of the following questions, there are two statements. State if...

    Text Solution

    |

  19. In each of the following questions, there are two statements. State if...

    Text Solution

    |

  20. In each of the following questions, there are two statements. State if...

    Text Solution

    |