Quantitative Aptitude - Arithmetic Ability Questions

What is the value of S = 11x3x5 + 11x4 + 13x5x7 + 14x7 + 15x7x9 + 17x10 + ... upto 20 terms. Then what is the value of S? 

Compute 4923 / 547 - 10

The 3rd and 8th term of an arithmetic progression are -13 and 2 respectively. What is the 14th term?

In what ratio is the segment joining (-1,-12) and (3,4) divided by the x-axis?

In an arithmetic progression, if 9 is the 5th term, -26 is the 12th term, then -6 is which term?

The median of the data -3, 4, 0, 4, -2, -5, 1, 7, 10, 5 is

If A purchase 9 chairs for Rs 5 and sells all the chairs at the rate of 5 chairs for Rs 9, then what will be the profit percentage?

Present age of Anil and Rajesh are in the ratio of 11 : 6 respectively. 9 years ago, their ages were in the ratio of 7 : 3. If the Pankaj’s present age is 1/4 of the Anil’s present age, then what is the Pankaj’s present age (in years)?