​ S = { 3, π , √2, - 5, 3 + √7, 2/7} . Which of the following is a sub-set of ‘S’ containing all irrational numbers ? ​

Question

S = { 3, \(\pi\) , √2, - 5, 3 + √7, 2/7} . Which of the following is a sub-set of ‘S’ containing all irrational numbers ?

(A) {3, \(\pi\), 2/7 , - 5, 3 + √7}

(B) {3, + \(\pi\), √2, \(\pi\)}

(C) {3, \(\pi\), √2}

(D) {3, - 5, 2/7}

Answer 1

Correct option is (B) {3 + √7,√2 , π}