Aptitude - Problems On H.c.f And L.c.m Test

Test Instructions :

1. The Test is 1hr duration.
2. The Test Paper consists of 30 questions. The maximum marks are 30.
3. All the questions are multiple choice question type with three options for each question.
4. Out of the three options given for each question, only one option is the correct answer.
5. Each question is allotted 1 mark for each correct response.
6. 0.25 will be deducted for incorrect response of each question.
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The H.C.F and L.C. M. of two numbers are 84 and 21 respectively. If the ratio of the two numbers is 1 : 4, then the larger of the two numbers is:

  

  

  

  

The H.C.F of 24 x 32 x 53 x 7, 23 x 33 x 52 x 72 and 3 x 5 x 7 x 11 is:

  

  

  

  

The H.C.F of 9/10, 12/25,18/35 and 21/40 is:

  

  

  

  

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

  

  

  

  

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

  

  

  

  

H.C.F of 4 x 27 x 3125, 8 x 9 x 25 x 7 & 16 x 81 x 5 x 11 x 49 is:

  

  

  

  

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

  

  

  

  

345/23 /5 = ?

  

  

  

  

  

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

  

  

  

  

The L.C.M of 23 x 32 x 5 x 11, 24 x 34 x 52 x 7 and 25 x 33 x 53 x 72 x 11 is

  

  

  

  

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

  

  

  

  

The H.C.F. of 22 x 33 x 55 , 23 x 32 x 52 x 7 and 24 x 34 x 5 x 72 x 11 is:

  

  

  

  

1369 1521 1681 1849 ?

  

  

  

  

  

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