The height (in m) of the mountains in Tamil Nadu as follows :

Mountains TH H T O
Doddabetta 2 6 3 7
Mahendragiri 1 6 4 7
Anaimudi 2 6 9 5
Velliangiri 1 7 7 8

    
Match the items on the right to the items on the left.
Which is the highest mountain listed above?
Order the mojntains from the highest to lowest.
What is the difference between the heights of the mountains Anaimudi and Mahendragiri?
Anaimudi
2695>2637>1778>1647. Anaimudi > Doddabetta > Veliangiri > Mahendragiri
=2695 - 1647 = 1048 m