If the positions of the first and the third digits of each of the numbers are interchanged, which of the following will be the sum of the first and the second digits of the lowest number ?

What will be the product of the first and the third digits of the third highest number ? 

What should come in the place of question mark (?) in the fol- ; lowing series based on the above , arrangement ? MRJ ©F9 *E2 ? 

How many such numbers are there in the above arrangement, each of which is immediately preceded by a letter but not immediately followed by a letter ?

If all the symbols and all the |' vowels are dropped from the above arrangement, which of the following will be twelfth from the , right end ?

How many such consonants are there in the above arrangement, each of which is immediately preceded by a symbol and immedi-i ately followed by a number ?