How many meaningful English words, can be formed with the letters LBAE using each letter only once in each word ?

How many such pairs of letters are there in the word ADJUSTING each of which has as many letters between them in the word as in the English alphabet ?

If the positions of the first and the fifth digits of the number 83591427 are interchanged, similarly the positions of the second and the sixth digits are interchanged and so on then which of the following will be the second digit from the right end after the rearrangement ?

In a certain code language 'how many are there' is written as 'ka na ta da' and 'many are welcome here' is written as 'na pi ni ka'. How is 'how' written in that code 

language ?

In row of forty children, R is eleven h from the right end and there are fifteen children between R and M. What Is M's position from the left end of the row ?

240 പേരില്‍ 6 പേര്‍ AIDS രോഗബാധിതരാണെങ്കില്‍, 29000 പേരില്‍ AIDS ബാധിതരല്ലാത്തവര്‍ എത്ര