Quantitative Aptitude - Arithmetic Ability Questions

If the equations 6x - 5y + 11 = 0 and 15x + ky - 9 = 0 have no solution, then the value of k is:

Convert decimal 99 to binary.

Saathi deposited Rs. 825 in a bank that promised 8% simple interest per annum. If Saathi kept the money with the bank for 5 years, she will earn an interest of

In a triangle ABC, if ∡A +∡C = 140° and ∡A + 3∡B = 180°, then ∡A is equal to

A circle has its centre at O . A tangent drawn from a point P , which is situated outside the circle, touches the circle at A. If PA = 4 cm & PO=5 cm, then the length of the radius of the circle is

Which of the following is in ascending order?

A well of diameter 3 m and depth 14 m is dug. The earth, taken out of it, has been evenly spread all around it in the shape of a circular ring of width 4 m to form an embankment. Find the height of embankment?

Find the value of  y(y4 - y2 - y) when y = 5.