Spotting Error for SBI, RBI and IBPS

Directions (Q. 1-10): Read each sentence any to find out whether there is any grammatical error or idiomatic error in it. The error, if any, will be in one part of the sentence. The number of that part is the answer,. If there is no error, the answer is (5). (Ignore errors of punctuation. if any.)

1. Our Housing Society comprises of 1)/eight blocks and 2)/forty-eight flats in an 3)/area of about thousand sq metres 4)./ No error 5)

2. It being a 1)/pleasant morning 2)/ decided to go out 3)/ on walking in the garden. 4)/ No error 5)

3. We are happy that 1)/ our Prime Minister 2)/ with the members 3)/ of his cabinet are to be present at the function. 4)/ No error 5)

4. Neither the size nor the colour 1)/ of clothes which 2)/ I purchased for him 3)/ yesterday were right. 4)/ No error 5)

5. I heard to my surprise 1)/ that the present 2)/ I send him was not 3)/ to his taste. 4)/ No error 5)

6. Let us refer 1)/ this matter to the principal. 2)/ We shall abide 3)/ with his decision. 4)/ No error 5)

7. If I would have come 1)/ a little earlier, I would have 2)/ got a glimpse 3)/ of my beloved leader. 4)/ No error 5)

8. When you buy something 1)/ on the instalment system 2)/ you are not required to pay 3)/ the whole price at once. 4)/ No error 5)

9. I am waiting for you 1)/ for the last two hours 2)/ but you did not bother 3)/ to turn up in time 4)/ No error 5)

10. The Head of the Department, 1)/ along with is colleagues are coming 2)/ to attend the conference which is 3)/ scheduled this afternoon. 4)/ No error 5)

1.1 of cant use with comprise
2.4 on should be replace with for
3.4 replace are with is
4.4 replace were with was
5.3 i send for him is correct
6.4 with replace with by
7.1 i had in place of would have
8.4 replace at once with at begining
9.1 I have been
10.2 are replace with is