Quantitative Aptitude - Arithmetic Ability Questions

The third proportional of two numbers 24 and 36 is

The line passing through (­3,4) and (0,3) is perpendicular to the line passing through (5,7) and (4,x). What is the value of x?

Select the odd letters from the given alternatives.

If (1 - sinA)/(1 + sinA) = x, then x is

Three triangles are marked out of a bigger triangle at the three vertices such that each side of each of the smaller triangles is one-fourth as long as each corresponding side of the bigger triangle. The ratio of the area of the three small triangles taken together to that of the rest of the bigger triangle is

Two circles touch externally. The sum of their areas is 130π sq.cm and the distance between their centers is 14 cm. The radius of the bigger circle is

The total surface area of a hemisphere is 462 sq cm, what is its curved surface area? (Take π = 22/7)

The total surface area of a cuboid is 376 sq cm. Find its volume if its length and breadth are 10 cm and 8 cm respectively?