Quantitative Aptitude - Arithmetic Ability Questions

What is the value of tan 1° tan 2° tan 3°....... tan 89°?

The distance between the centres of two circles is 61 cm and their radii are 35 cm and 24 cm. What is the length (in cm) of the direct common tangent to the circles?

Select the odd word/letters/number/number pair from the given alternatives.

If x + y = 12 and x2 + y2 = 94, then xy is 

Cost price of a watch is Rs 530. If the loss percentage is 24%, then what is the value (in Rs) of loss?

The area of a circle is 346.5 cm². Find its radius (in cm).

If cosαcosβ=m and cosαsinβ=n,then the value of m2+n2 cos2β is

Two whole numbers are such that the cube of first number exceeds the cube of second by 61 and the ratio of the numbers is 5:4. What is the value of larger number?