Home
Class 10
MATHS
The LCM of the smallest prime number and...

The LCM of the smallest prime number and the smallest composite number is

A

4

B

3

C

2

D

1

Text Solution

Verified by Experts

The correct Answer is:
4
Promotional Banner

Topper's Solved these Questions

  • REAL NUMBERS

    KUMAR PRAKASHAN|Exercise TEST YOUR SKILLS|26 Videos
  • REAL NUMBERS

    KUMAR PRAKASHAN|Exercise PRACTICE THOROUGHLY|11 Videos
  • QUESTION PAPER-2

    KUMAR PRAKASHAN|Exercise Section C|14 Videos
  • SOME AAPLICATIONS OF TRIGONOMETRY

    KUMAR PRAKASHAN|Exercise Objective Questions|24 Videos

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.

The mean of first five prime numbers is

A number is selected at random from the first 25 natural numbers. If it is a composite number, then it is divided by 6. 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.

lf r, s, t are prime numbers and p, q are the positive integers such that their LCM of p,q is r^2 t^4 s^2, then the numbers of ordered pair of (p, q) is

Let A be the set of prime number smaller than 6 and B be the set of prime factors of 30. Check if A and B are equal.

Write down the negation of following compound statements. 35 is a prime number or a composite number.

KUMAR PRAKASHAN-REAL NUMBERS -OBJECTIVE QUESTIONS
  1. The greatest four digit number that is divisible by 95 is ..........

    Text Solution

    |

  2. Any positive odd integer a is of the form ........ for some integer m.

    Text Solution

    |

  3. The LCM of the smallest prime number and the smallest composite number...

    Text Solution

    |

  4. For two positive integers a and b, if HCF (a, b) = 7 and LCM (a, b) = ...

    Text Solution

    |

  5. The prime factorisation of 98 is ...........

    Text Solution

    |

  6. From the given factor tree, the values of x and y are ......... respec...

    Text Solution

    |

  7. ......... is not an irrational number. √6 √5 √4 √3

    Text Solution

    |

  8. ......... is a rational number between sqrt(2) and sqrt(3) a. 4/5...

    Text Solution

    |

  9. If the HCF of 65 and 117. is expressible in the form 65m - 117, then t...

    Text Solution

    |

  10. The largest number which divides 70 and 125 leaving remainders 5 and 8...

    Text Solution

    |

  11. The decimal expansion of (27)/(2^(113)xx5^(110)) no terminates after ...

    Text Solution

    |

  12. Given positive integers a and b, there exists unique integers q and r ...

    Text Solution

    |

  13. What is the HCF of 65 and 117?

    Text Solution

    |

  14. What is the LCM of 36 and 100 ?

    Text Solution

    |

  15. After how many places of decimal does 751 the decimal expansion of (75...

    Text Solution

    |

  16. State the smallest positive integer which is divisible by 28 and 63 bo...

    Text Solution

    |

  17. The decimal expansion of 256/125 is non­terminating repeating.

    Text Solution

    |

  18. The HCF of 25 and 52 is 1

    Text Solution

    |

  19. The decimal expansion of (87)/(2^(5)5^(2)) terminates after ...... de...

    Text Solution

    |

  20. pi is a rational number.

    Text Solution

    |