Which of the underlined expressions in the following sentence is incorrect?

1.The girl whom you met in the hospital is my cousin. The underlined clause is a/an :

2.We will go home soon, ¾. The right tag question is:

3.We will go home soon, ¾. The right tag question is:

4.The expression 'tit for $tat^{\prime} is synonymous$ with:

5.A dialogue is a discourse between ¾ people. The right number is:

6.The Shatgambuj mosque is an Islamic edifice. The word '$edifice^{\prime}$ means:

7.He said to me, “Where were you staying when you were in Dhaka?” the correct indirect speech is :

8.He reached home ¾. The clause in the gap is:

9.This kind of ¾ treatment of sons and daughters has a long term effect on daughters. The missing word is:

10.¾ succeed in life. Choose the right option to complete the sentence:

11.My brother enjoys ¾ computer games.

12.The maid is of my mother¾. The right phrase is :