Quantitative Aptitude - Arithmetic Ability Questions

If each median of an equilateral triangle has a length of 12cm. Then what will be the value of in-radius (in cm) of the equilateral triangle?

If sec 300° = x, then value of x is

18 buckets of water fill a tank when the capacity of each bucket is 8 litres. How many buckets will be needed to fill the same tank, if the capacity of the bucket is 12 litres?

Mansukh can do a piece of work in 10 hours. If he is joined by Jayanti who is 50% more efficient, in what time will they together finish the work?

The marked price of an article is 40% more than its cost price. If 15% discount is given on the marked price, then what will be the profit percentage?

A shopkeeper marks up his wares by 125% and offers 25% discount. What will be the selling price if the cost price (in Rs) is Rs 640?

5% discount is offered on an item. By applying a promo code the customer wins 20% cash back. What is the effective discount?

If x = 222, y = 223, z = 225 then the value ofx3 + y3 + z3 - 3xyz is