Quantitative Aptitude - Arithmetic Ability Questions

The value of Cot17°Cot73°Cos222° + 1Cot17°Sec268° is

If 1/√(1 -­ sin2A) = 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)?

Product of digits of a 2-digit number is 24. If we add 45 to the number, the new number obtained is a number formed by interchange of the digits.What is the original number?

A trader buys 500 kgs of cotton for Rs 9,000. 10% of this cotton is spoiled due to rain. At what rate (Rs/Kg) should he sell the rest to earn 10% profit?

What is the value of (1/2) Sec 30° + √2 Tan 60°?