Quantitative Aptitude - Arithmetic Ability Questions

If 1/√(1 -­ sin2A) = x, then the value of x is

Simplify 437bxaz / 23ab.

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?

In the following question, four number pairs are given. The number on left side of (–) is related to the number of 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

Find the Greatest Common Factor of 280 and 144.

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

What is the equation of a line of slope 1/3 and y-intercept 5?