# There exists integer #x,y,z# satisfying #28x+30y+31z=365# then the value of #z-2x# for some such triplet is?

##### 1 Answer

Jul 25, 2018

In English calendar year (not leapyear) of 365 days there exist one month of 28 days ,4 months of 30 days and 7 months of 31days .

So

Comparing with given relation

We get

Hence