Quantitative Aptitude - Arithmetic Ability Questions

If xy+yz+zx = 1, then the value of (1+y2)(x+y)(y+z) ?

If 3a+4b3c+4d = 3a-4b3c-4d, then 

What is the value of 1.23+0.83+0.73-2.0161.351.22+0.82+0.72-0.96-0.84-0.56 =

Find the odd word/letters/number from the given alternatives.

If 25% of an electricity bill is deducted, Rs 1788 is still to be paid. How much was the bill?

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

If curved surface area of a cylinder is 1386 sq cm and height is 21 cm, what will be its radius? (Take π = 22/7)

Determine the value of 'x' when 3x3 = 27