Problems on LCM & HCF Mcqs

Q.  A heap of stones can be made up into groups of 21. When made up into groups of 16, 20, 25 and 45 there are 3 stones left in each case. How many stones at least can there be in the heap?

a. 7203
b. 2403
c. 3603
d. 4803


ANSWER: See Answer
 
No explanation is available for this question!
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