When Anu comes first and Tanu comes second, Nikki and Sona cannot be selected in that order. (i) Anu and Tanu came first. (ii) Anu came first and Tanu came second (iii) Nikki and Sona got selected in that order. (iv) Sona and Nikki got selected in tht order.
Correct Answer: (ii) (iv)
Explanation:
The statement is of the type 'when A then B, when not B then not A' where A is 'Anu comes first and Tanu second' and B is 'Nikki and Sona cannot be selected in that order'.
