Select the option that expresses the given sentence in indirect speech.
Radha said to the person standing at the airport, "Will you help me with this work?"
1
Radha asked the person standing at the airport if he is going to help her with that work.
2
Radha asked the person standing at the airport if he will help her with this work.
3
Radha asked the person standing at the airport if he would help her with that work.
4
Radha asked the person standing at the airport if he is willing to help her with that work.