If a man were to sell his chair for Rs. 720, he would loss 25 %. To gain 25% he should sell it for__

A train crosses a platform in 30 seconds travelling with a speed of 60 km / h. If the length of the train be 200 metres, then the length ( in metres ) of the platform is 

In two successive year 100 and 75 students of school appeared at the final examination. Respectively 75% and 60 % of them passed. The average rate of pass is:

Last year Mr. A bought two paintings. This year he sold them for Rs. 20,000 each. On one, he made a 25 % profit and of the other he had a 25 % loss. Then his net profit or loss is 

Each question below is followed by two statements A and B. You have to determine whether the data given in the statement is sufficient for answering the question. You should use the data and your knowledge of Mathematics to choose the best possible answer.
Give answer (A) if the statement A alone is sufficient to answer the question, but statement B alone is not sufficient.
Give answer (B) if the statement B alone is sufficient to answer the question, but statement A alone is not sufficient.
Give answer (C) if both statements A and B together are needed to answer the question.
Give answer (D) if either the statements A alone or statement B alone is sufficient to answer the question
Give answer (E) if you cannot get the answer from the statements A and B together, but need even more data.

What is the salary of P, in a group of P, Q, R, S, T and U, whose average salary is Rs. 35,000?
A. Total of the salary of Q and S is Rs. 54000.
B. Total of the salary of T and U is Rs. 58000.

Directions:  The table given below presents the number of books on different subjects kept on separate shelves subjects with odd and even numbers are of arts and Science respectively

Find the total number of books of all subjects

A policeman spotted a thief 200 meter apart. The thief starts running at the speed of 10km/hr. and e policeman chases him at the respectively 11 km/hr. Then find the distance between them after 6 minute -

In a certain school, the ratio of boys to girls is 7 : 5. If there are 2400 students in the school, then how many girls are there?