H.C.F & L.C.M Problem comes under Aptitude: This mock tes**t having 15 questio**n, with four choices. On each click on answers system will tell you where the answers is **correct or incorrect**. You can view this H.C.F & L.C.M test question details at the end of the quiz.

This HCF & LCM questions answers are applicable for any kind of entrance exam or job related exam especially for bank exams,** ****SSC, CAT, CLAT, P.O practice** as much as you can so gather knowledge of how to answers H.C.F & L.C.M critical in short time and this can **be a big factor for cracking any exam.**

**H.C.F & L.C.M**

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Question 1 |

**252 can be expressed as a product of primes as :**

2 × 2 × 3 × 3 × 7 | |

2 × 2 × 2 × 3 × 7 | |

3 × 3 × 3 × 3 × 7 | |

2 × 3 × 3 × 3 × 7 |

Question 2 |

**Which of the following has most number of divisors?**

99 | |

101 | |

176 | |

182 |

Question 3 |

**A number n is said to be perfect if the sum of all its divisors (excluding n itself) is equal to n. An example of perfect number is :**

6 | |

9 | |

15 | |

21 |

Question 4 |

**1095/1168 when expressed in simplest form is :**

13/16 | |

15/16 | |

17/26 | |

25/26 |

Question 5 |

**Reduce 128352/238368 to its lowest terms.**

3/4 | |

5/13 | |

7/13 | |

9/13 |

Question 6 |

**Find the highest common factor of 36 and 84.**

4 | |

6 | |

12 | |

18 |

Question 7 |

**The H.C.F. of 204, 1190 and 1445 is :**

17 | |

18 | |

19 | |

21 |

Question 8 |

**Which of the following is a pair of co-primes?**

(16, 62) | |

(18, 25) | |

(21, 35) | |

(23, 92) |

Question 9 |

**The H.C.F. of 2923 and 3239 is :**

37 | |

47 | |

73 | |

79 |

Question 10 |

**The H.C.F. of 3556 and 3444 is :**

23 | |

25 | |

26 | |

28 |

Question 11 |

**Find the lowest common multiple of 24, 36 and 40.**

120 | |

240 | |

360 | |

480 |

Question 12 |

**The L.C.M. of 22, 54, 108, 135 and 198 is :**

330 | |

1980 | |

5940 | |

11880 |

Question 13 |

**The L.C.M. of 148 and 185 is :**

680 | |

740 | |

2960 | |

3700 |

Question 14 |

**The H.C.F. of 2/3, 8/9, 64/81 and 10/27 is :**

2/3 | |

2/81 | |

160/3 | |

160/81 |

Question 15 |

**The H.C.F. of 1.75, 5.6 and 7 is :**

0.07 | |

0.7 | |

3.5 | |

0.35 |

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