Staff Selection Commission : Article

SSC HCF & LCM
  • 2016-07-07
SSC HCF & LCM
 SSC 

1) Find the HCF of 144, 180 and 192

(1) 12 (2) 14 (3) 8   (4) 16

2) Find the LCM of 48, 64, 72, 96 and 108

(1) 1728        (2) 1278        (3) 1666

(4) 1876

3) Find the HCF of ¾, 5/6 and 6/7

(1) 2/85        (2) 1/84        (3) 1/78

(4) 1/48

4) Find the LCM of 6/8, 2 ½ and 15/16

(1) 7/2          (2) ½  (3) 7 ½         (4) 1 7/2

5) The product of two numbers is 20736 and their HCF is 54. Find their LCM

(1) 684         (2) 468         (3) 648        

(4) 864

6) The HCF and LCM of two numbers are 16 and 192 respectively, one of the numbers is 48, find the other?

(1) 64 (2) 46 (3) 63 (4) 72

7) The LCM of two numbers is 14 times their HCF. The sum of LCM and HCF is 600. If one number is 80, then the other is --------

(1) 160         (2) 60     (3) 40       (4) 280

8) Find the least number which is exactly divisible by 24, 63 and 70.

(1) 5220        (2) 2550        (3) 5252   (4) 2520

9) Find the least number that can be divided exactly by all the odd numbers upto 13 inclusive.

(1) 360360     (2) 306360     (3) 360306

(4) 363060

10) Find the greatest number less than 900, which is divisible by 8, 12 and 28

(1) 640         (2)740       (3) 840

(4) 940

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