Quantitative Aptitude - Arithmetic Ability Questions

A solid hemisphere has radius 14 cm. It is melted to form a cylinder such that the ratio of its curved surface area and total surface area is 2 : 3. What is the radius (in cm) of its base?

If Sec θ = 13/12, then Cot θ = ?

Select the odd letters from the given alternatives.

If cot π/3c -­ tan π/4c = x, then the value of x is

Simplify 437bxaz / 23ab.

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

Area of 4 walls of a cuboid 400 sq cm, its length is 15 cm and height is 8 cm. What is its breadth (in cm)?

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