Question

If p,q,r and s are distinct prime numbers such that
p+q+r=72
p+r+s=74
q+r+s=84
then the largest of thesep,q,r and s is​

Answer 1

Answer:

r is common as p+q = 72

p+s = 74

in both of them p is common so s is bigger than q as well as r is common in all so r is bigger than all

r is largest

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