Quantitative Aptitude - Arithmetic Ability Questions

A regular hexagonal base prism has height 8 cm and side of base is 4 cm. What is the total surface area (in cm2) of the prism?

A shopkeeper by selling 13 Titan watches, earns a profit equal to the selling price of 3 Titan watches. His profit percentage is

If √(sec2A ­ 1) = x, then the value of x is

If 1/√(1+tan2A) = x, then value of x is

What is the simplified value of (cosec A – sin A)(sec A – cos A)(tan A + cot A)?

[sinA/(1 + cosA)] + [(1 + cosA)/sinA] is equal to

If 8x/3 + [7(5 - 2x/3)]/2 = 1/2 , then what is the value of x?

If C + 1C = 3, then what is the value of C-37+1C7?