1.

Let A be the set of first 10 natural numbers and R be a relation on A defined by (x,y)∈R⇔x+4y=15. Then the number of element(s) in the range of R is

Answer»

Let A be the set of first 10 natural numbers and R be a relation on A defined by (x,y)Rx+4y=15. Then the number of element(s) in the range of R is



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