Classify the following pairs of sets as joint or disjoint.
1. M = { a,b,c,d,e,f } and N = { k,m,r,d,e,s }
2. P = { 12,17, 21, 24,26, 27 } and Q = { 10,15,20,25,30,35}
3. R = { 4,8,12,16,20,24} and S = { 0,8,16,24,32,40,48}

Need it again Sowwy by the way im bad at math i mean so bad so if you could atleast help me that would be gratefull:D