Question

I want answers for the following​

Answer 1

Step-by-step explanation:

1) A

2) A

3) D

this is your correct answer

Answer 2

Step-by-step explanation:

1) Answer(A) as trains are coming toward each other so their speeds will add up

2) Answer will be( B) as boat is moving upstream so velocity of stream will be in opposite direction

of velocity of boat

3) Here (D) is the correct answer is as numerator is 3 less than denominator.