Quantitative Aptitude - Arithmetic Ability Questions

If tanθ = 815, then 1-sinθ1+sinθ is

Find the value of '?' in 512 × 125 ÷ 15625 = 3125 × 25?

What is the value of 128 + 7232

If x+1x = 4, then what is the value of x6+1x6 ?

A car can cover 350 km in 4 hrs. If its speed is decreased by 12.5 kmph. How much time does the car take to cover a distance of 450 kms.

If a - b = 3 and a2+b2=25, then the value of ab is

The volume of a right circular cone, whose radius of the base is same as one-third of its altitude, and the volume of a sphere are equal. The ratio of the radius of the cone to the radius of the sphere is :

In the given figure, the length of arc BC of the given circle is 44 cm. If O is the centre of circle, then what is the radius (in cm) of the circle?