निम्नलिखित प्रश्नों

Statement: There is a large increase in migration of villagers to urban areas as repeated crop failure has put them into financial problems.

Which number from the options will replace the question mark (?) in the following series?

3, 13, 53, 213,?

Select the word-pair in which the two words share a different relationship from that shared by the two words in the rest of the word-pairs.

a) Either he is happy or he is poor.

b) He is happy.

Inference : He is poor.

Which of the following numbers will replace the question mark (?) in the given series?

3, 7, 5, 61, 363 ?

Select the option that is related to the third letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster.

‘A # B’ means ‘A is the brother of B’

‘A @ B’ means ‘A is the daughter of B’.