How many marks obtained by Suman in an examination of maximum 20 marks?

1.                 The marks obtained by Suman is a two-digit even number.
2.                 Suman got more 14 but less than 18 marks.

On which month in a year Rahul went to foreign in a holiday?

1.                 Ravi correctly remembered that he went to foreign in first half yearly.
2.                 Rahul’s friends correctly remembered that he went to foreign after 31^st March but before 1^st May.

Among six people E, F, G, H, I and J standing around a circle facing the centre. What is the position of G with respect to F?

1.                 E stands second to the right of G. only one person stands between E and I. F is an immediate neighbour of G.
2.                 Only two people sit between G and H. H is an immediate neighbour of both I and E. F is not an immediate neighbour of I.

Among six friends –M,N,O,P,Q and R, who is the second heaviest?

1.                 O is heavier than only two friends. P is heavier than Q but lighter than N. R is the heaviest.
2.                 M is lighter than only two friends. N is heavier than O but lighter than R. P is heavier than only Q.

If all the letters in each of the words are arranged alphabetically (within the word), how many words will remain unchanged?

If the positions of the first and second letters of all the words are interchanged, how may words will form meaningful English words?