Quantitative Aptitude - Arithmetic Ability Questions

Marked price of an item is Rs 400. On purchase of 1 item discount is 6% and on purchase of 4 items discount is 24%. Rachita buys 5 items, what is the effective discount?

25% discount is offered on an item. By applying a promo code the customer wins 4% cash back. What is the effective discount?

A can do a piece of work in 10 days and B in 12 days. With help of C, they finish the work in 4 days. In how many days C alone can do the same work?

Find the LCM of 3.2, 2.72, 1.28 and 1.44

If (x + y + z) = 12, xy + yz + zx = 44 and xyz = 48, then what is the value of x3 + y3+ z3?

The area of the largest sphere ( in cm2) that can be drawn inside a square of side 18 cm is

A Bus travels at the speed of 36 km/hr, then the distance covered by it in one second is

Two trains are moving in the opposite direction at speed of 30 km/hr and 45 km/hr respectively, whose lengths are 450 m and 550 m respectively. What is the time taken (in seconds) by slower train to cross the faster train?