Let X= n N:1 n 50 . If A= n X:n is a multiple of 2 and B= n X:n is a multiple of 7 , then the number of...

Question

Let X= n N:1 n 50 . If A= n X:n is a multiple of 2 and B= n X:n is a multiple of 7 , then the number of elements in the smallest subset of X containing both A and B is (JEE Main 2022)

Accepted Answer

29

JEE Main Mathematics question

Solution