Quantitative Aptitude - Arithmetic Ability Questions

From the four corners of a rectangular sheet of dimensions 25 cm x 20 cm, square of side 2 cm is cut off from four corners and a box is made. The volume of the box is

The ratio of three numbers is 2 : 3 : 5. If the sum of the three numbers is 275, then what is the largest among the three numbers?

If 2/3(6x/5 - 1/4) + 1/3 = 9x/5, then what is the value of x?

If 5x = 30-y = 6z, then what is the value of (xy + yz + zx)/xyz?

If x and y are natural numbers such that x + y = 2017, then what is the value of (– 1)x+ (– 1)y?

If the price of onion increases from Rs 24/kg to Rs 36/kg, then by what percentage a household should decrease the consumption of onion so that
expenditure remains same?

Akash is 3 times as good a workman as Baldev and therefore is able to finish a job in 40 days less than Baldev. Working together, they can finish it in _____.

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?