Quantitative Aptitude - Arithmetic Ability Questions

What is the difference (in Rs) in Compound interest earned in 1 year on a sum of Rs 25,000 at 20% per annum compounded semi-annually and annually?

What is the value of √2 Sec 45° + (1/√3)Tan 30°?

In the following question, select the odd word pair from the given alternatives

If 4(4x + 5) > 2x - 1 > 4x - 3, then the value of x is

Six year ago Parvez’s age was same as the present age of Manish. If the present age of Parvez is one-fourth more than that of Manish's present age, then in how many years will Parvez’s age become double of Manish’s present age?

10 persons can do a job in X days. If 20 persons with twice the efficiency can do the same job in 5 days, then find the value of X?

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

If x + y = 3, then what is the value of x3 + y3 + 9xy?