Let 𝑅 be a relation on 𝑍 Γ— 𝑍 defined by (π‘Ž, 𝑏)𝑅(𝑐, 𝑑) if and only if π‘Žπ‘‘ βˆ’ 𝑏𝑐 is divisible by 5 . Then 𝑅 is - Math Practice Question | divineJEE