Quantitative Aptitude - Arithmetic Ability Questions

The value of sinθ+sin∅cosθ+cos∅ + cosθ-cos∅sinθ-sin∅ is

Reflection of the point (­1,4) in the x­axis is

If the square of sum of three positive consecutive natural numbers exceeds the sum of their squares by 292, then what is the largest of the three numbers?

If 2cos2A - 1 = x, then the value of x is

If a -­ b = 6 and ab =16, then a3 -­ b3 is

If (sinA + CosA)/(sin A - cos A) = 5/4, the value of (tan2A + 1)/(tan2A - 1) = ?

In the given series, how many 8s are there that are not divisible by the number to its left but completely divisible by the number to its right.

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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 :