Question : The following sentence has been split into four segments. Identify the segment that contains a grammatical error.
"Do you want to join us for lunch?" / "I'm sorry / my physics class will start at 1 p.m. / and doesn't finish till 3 p.m."

Option 1: my physics class will start at 1 p.m.

Option 2: I'm sorry

Option 3: and doesn't finish till 3 p.m.

Option 4: Do you want to join us for lunch?

Question : Select the correct direct form of the given sentence.

The boy asked his mother why she hadn't woken him up.

Option 1: The boy said, "Why don't you wake me up, mother?"

Option 2: The boy said, "Why you didn't wake me up, mother?"

Option 3: The boy said, "Why didn't you wake me up, mother?"

Option 4: The boy said, "Why didn't I wake you up, mother?"

Question : An office opens at 10 a.m. and closes at 5 p.m. The lunch interval is 30 minutes. The ratio of the lunch interval to the total period of office hours is:

Option 1: 1 : 7

Option 2: 1 : 14

Option 3: 7 : 1

Option 4: 14 : 1

Question : Select the most appropriate option to improve the underlined segment in the given sentence. If there is no need to improve it, select 'No improvement'.

You will participate in the marathon, won't you?

Option 1: didn't you

Option 2: isn't it

Option 3: will you

Option 4: No improvement

Question : A thief steals a bike at 12:30 p.m. and drives it at 48 km/hr. But the theft is discovered after half an hour. The bike owner starts to chase him on another bike at 58 km/hr. The thief will be caught at ________.

Option 1: 3:40 p.m.

Option 2: 3:54 p.m.

Option 3: 3:10 p.m.

Option 4: 3:24 p.m.

Question : Select the most appropriate indirect form of the given sentence.

Granny said to Nina, "I don't know why you think it is so wonderful."

Option 1: Granny said to Nina that she doesn't know why she thinks it was so wonderful.

Option 2: Granny said to Nina that she didn't know why she thought it was so wonderful.

Option 3: Granny said to Nina that she hadn't known why she was thinking it was so wonderful.

Option 4: Granny said to Nina that I don't know why you think it is so wonderful