The diameter of a circle is equal to the perimeter of a square whose area is 3136 sq cm. What is the circumference of the circle?

Kirti decided to spend 45% of her monthly salary on shopping, after spending Rs 11475 she found that this money was 60% of the amount she spent, what is Kirti's salary?

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 number?
A. 20% of that number is one fifth of that number.
B. 5/6th of that number is less than that number by 15.

Directions: Answer the questions based on the information given below:
The following line graph shows revenue and expenditure of company A for 5 years (in Lakhs):

What is the difference between revenue and expenditure of company A over the year?

A number consists of two digits. If the number formed by interchanging the digits is added to the original number, the resulting number (i.e. the sum) must be divisible by

Running at the speed of 3 km/hr., a person reaches his destination 10 minutes later than usual time. if he increases his speed by 1 km/hr., he reaches his destination 15 min earlier. and the distance to his destination.

A sum of money at double the rate of simple interest doubles itself in 10 years. In how much time will that amount be triple of itself?

What will be come in place of question mark(?) in the following number series?
14, 8, 7 , 11.5, 22, ?