Quantitative Aptitude - Arithmetic Ability Questions

The sum of a non-zero number and ten times its reciprocal is 7. Find the number.

If θ be positive acute angle and 5cosθ + 12sinθ = 13, then the value of cosθ is

X is 25% more efficient than Y. If Y alone can make a chair in 10 days, then X alone can make the chair in how many days?

If the length of the side of an equilateral triangle is 6 cm, what is its area?

Assuming that the numbers in each of the following figures follow a similar pattern, select the option that can replace the question mark (?) in figure C.

What is the area (in square units) of the figure enclosed by the graphs of the lines x = -4, x = 2, y = -2 and y = 3?

Calculate the area (in cm2) of a circle of radius 17.5 cm.

Find out the odd word/letters/number/number pair from the given alternatives.