QuestionCategory: MBAMBA Quant : A three digit number mnp
Suyash Rana asked 1 year ago

A three digit no. ‘mnp’ is a perfect square and the no. of factors it has is also a perfect square.It is also known that the digits m,n,p are distinct.
if (m+n+p) is also a perfect square,what is the no. of factors of the six digit no. mnpmnp?
a)32
b)72
c)48
d)cannot be determined

4 Answers
Profile photo of vivek rathivivek rathi answered 3 months ago

ans is 32.    there is only one 3 digit no. which satisfies all the required criteria & that is 196.  so if we find all factors of 196196, we get overall 32 factors
 

Profile photo of Rahul PaiRahul Pai answered 3 months ago

@vivek rathi:   How did you arrive at 196? was it trial and error or is there a method?
 

Profile photo of Rahul PaiRahul Pai answered 3 months ago

@vivek rathi:   How did you arrive at 196? was it trial and error or is there a method?
 

Profile photo of vivek rathivivek rathi answered 3 months ago

 @ Rahul Pai  It was pure trial & error approach.. I personally feel dat dere wont be any technical method for such category of questions. If dere is any technical method plz suggest me
 

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