Quantitative Aptitude - Arithmetic Ability Questions

A person driving at the speed of 40 kmph reaches office 1 minute early while he reaches 3 minutes late if driving at 36 kmph. What is the distance in km that she is covering?

What should be the average speed of the car to cover a distance of 342 km in 1.9 hours?

If the length of one side and the diagonal of a rectangle are 8 cm and 17 cm respectively, then find its perimeter

Two trains, one 150 m long and the other 130m long, coming from opposite directions crosssed each other in 7.2 seconds. The sum of speed of the two trains every hour would then be

If cotθ = 4, then the value of 5sinθ+3cosθ5sinθ-3cosθ is

If x/2 - [4(15/2 - x/3)]/3 = -x/18, then what is the value of x?

What is the value of (cosecA - cotA) / (secA + tanA)?

If the sum of the digits of any integer between 100 and 1000 is subtracted from the same integer , the resulting number is always divisibleby