HCF AND LCM BASED MCQ QUESTION PART-01

 Q.N(1) Find the HCF of  39, 78, 156, 195 and 351.

A. 39

B. 13

C.  3

D. 1

OPTION A CORRECT

Q.N(2) The sides of a Pentagon field are 216, 1215, 1422, 2169, and 2223 metres. Find the greatest length of tape that would be able to exactly measure each of these sides without having to use fractions/part of the tape?

A. 54

B. 27

C. 9

D. 18 

OPTION C CORRECT

Q.N(3) A garden has 363, 429, and 693 trees respectively of 3 distinct varieties. it is desired to place these trees in straight rows of trees of 1 variety only so that the number of rows required is the minimum. what is the size of each row and how many rows would be required?

A.33

B.45

C.51

D.18

OPTION C CORRECT

Q.N(4) Find the LCM of the numbers 12,14,21,33, and 54 is

A. 8316

B. 4154

C. 3652

D. 8254

OPTION A correct

Q.N(5) Three bells ring simultaneously at 12 noon. they ring at regular intervals of 20 seconds, 30 seconds, 40 seconds respectively. the time when all the three-ring together next is?

A. 12:02 PM

B.12:10 PM

C. 02:00 PM

D 01:20 PM 

option A correct

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HCF AND LCM BASED MCQ QUESTION PART-02