Question Number 102480 by bemath last updated on 09/Jul/20

n positive integer. when dividen by 7 give remainder 4 and when divided by 4 give remainder 2. find the value of n

Answered by nimnim last updated on 09/Jul/20

n=7x+4 and n=4y+2 ∴7x+4=4y+2 ⇒y=((7x+2)/4) (x,y)=(2,4),(6,11),(10,18).....(4k−2,7k−3) ∴n=7(4k−2)+4=28k−10

Commented bybemath last updated on 09/Jul/20

okay sir