Quantitative Aptitude - Arithmetic Ability Questions

Mayank, Deepak and Pawan, each of them working alone can complete a work in 5, 10 and 15 days respectively. If all three of them work together to complete a work and earn Rs. 12000 what will be Deepak's share of the earnings?

The radius of the circle circumscribing the three vertices of an equilateral triangle is 12 cm. Determine the height (in cm) of the equilateral triangle

If x+1x = 4, then what is the value of x6+1x6 ?

In an alloy of German silver the ratio of copper to zinc was 17:7 while that of nickel to zinc was 4 :3. The ratio of copper to zinc to nickel in the alloy was

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

Sec 45% + Tan 30% =

In the following question, select the odd number group from the given alternatives.

Rohit buys a ball for Rs 450 and sells it. Rohit gives two successive discount of 20% and 5% to the customer. What will be the selling price (in Rs) of the ball?