Tom’s father is thrice as old as Tom. 10 years ago Tom’s father’s age was 7 times his age. What is Tom’s current age?

Consider the given question and decide which of the following statements is sufficient to answer the question.
The trains are very punctual in Malaysia. For a maximum of how long should Mr. Z wait for the train?
Statements:
1. Mr. Z had reached the railways station at 10 a.m.
2. There is a train at 11 a. m. and the next train is at 12 p. m.

Identify the mirror image of the following figure.

If pointing at X, Y says that X is the son of the only son of Y’s mother, then Y’s father is X's ..........

Select the option that will correctly fit in the blank space in the given figure series.