Quantitative Aptitude - Arithmetic Ability Questions

If the selling price of an item is Rs 1000 after getting a discount of 20%, then what was the marked price (in Rs)?

If x+1x:x-1x=5:3 then the value of x is

What is the simplified value of sin2(90–θ)–[sin(90–θ)sinθ/tanθ]?

If a - b = 10 and ab =-21, then what is the value of a3-b3 ?

The average of 44 consecutive odd numbers is 144.What is the largest number?

A person sells wheat at a profit of 30%. If he reduces its selling price by Rs 60, then he suffers a loss of 10%. What was the initial selling price (in Rs)of the wheat?

Calculate the value of 61681x61681-31681x3168130000

If ab = 21 and a+b2a-b2 = 254,then the value of a2+b2+3ab