Quantitative Aptitude - Arithmetic Ability Questions

For what value of X, 211X will be a perfect square?

Select the odd word/letters/number/number pair from the given alternatives.

If a+1b = 1 and b+1c = 1 then c+1a = ?

The ratio of two numbers is 6 : 11 and their difference is 65. What will be the smaller number among both the numbers?

ΔDEF is right angled at E. If secD = 25/7, then what is the value of cosecF ?

What is the value of √[(1 - sinA)/(1 + sinA)]?

If (x - 4) (x2 + 4x + 16) = x3 - P, then P is equal to

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?