Verbal Reasoning - Mental Ability Questions

If train is called bus, bus is called tractor, tractor is called car, car is called scooter, scooter is called bicycle, bicycle is called moped, which is used to plough a field ?

Rahul's mother is the only daughter of Monika's father. How is Monika's husband related to Rahul ?

If the mathematical operator '/' means 'x', '+' means '-', 'x' means '+' and '-' means '/', then

24 + 48 - 12 x 4 / 2 = ?

In the following question, select the missing number from the given series.

2187, 729, 243, 81, 27, ?

Rahul told Anand, 'Yesterday I defeated the only brother of the daughter of my grandmother.' Whom did Rahul defeat 

A man pointing to a photograph says, 'The lady in the photograph is my nephew's maternal grandmother." How is the lady in the photograph related to the man's sister who has no other sister ?  

Find the next number in the series

404, 415, 402, 413, 400, ?

Arrange the following words as per order in the dictionary.
1. Situation
2.Silver
3.Sitter
4.Simple
5.Signal