Consider a group comprising of 4 students: Reena, Beena, Meena and Neena, who stand in a row.Reena and Beena stand in 6th and 7th positions respectively from the left. Meena and Neena stand in the4th and 5th positions respectively from the right. When Beena and Meena exchange their positions, thenBeena will be 15th from the left. Originally, Neena's position from the left is: 

In the following question choose the correctly spelt word.

A, B and C enter into a partnership. A invests Rs. 8000 for the whole year, B puts in Rs. 12000 at the first and increasing to Rs. 16000 at the end of 4 months, whilst C puts in at first Rs. 16000 but withdraw Rs. 4000 at the end of 9 months. Find the profit of A at the end of year, if the total profit is Rs. 22600.

Direction : In each question are given four statements followed by four conclusions numbered I, II, III and IV. You have to assume every thing in the statements to be true even if they seem to be a variance with commonly known facts and then decide which of the four given conclusions logically follows from the statements, disregarding commonly known facts, and select the appropriate answer.

Statements :
All books are files.
Some files are papers.
All papers are certificates.
No certificate is magazine.
Conclusions :
I. At least some books are papers.
II. No magazine is book.
III. At least some certificates are files.
IV. No paper is book.

In these questions read each sentence to find out whether there is any error in it. If there is no error, the answer is (D).

Every man in this world (a)/ wishes to live long (b)/ but nobody wanted to grow old.(c)/ No error (d).

In what time will the simple interest be 2/5 of the principal at 8 percent per annum?