Which of the following belongs to group (X)?
Which of the following does not belong to group (X)?
Choose the incorrect sentence.
AHave you ever been to Burma?
BWas anybody injured in the accident?
CHow long have you been knowing him?
DWhen was the telephone invented?
How many possible combinations of 1 T-shirt and 1 trouser can be formed from 4 T-shirts and 2 trousers?