Matching Pairs 4th tableOnline version Try best by SRI JYOTHI ANNAMDEVARA 1 4x10 2 4x8 3 4x2 4 4x6 5 4x3 6 4x1 7 4x4 8 4x7 9 4x5 10 4x9 4 40 36 24 12 20 32 16 28 8