Quantitative Aptitude - Arithmetic Ability Questions

Find the square root of 1485961

A is twice as good as B and together they finish a piece of work in 16 days. The number of days taken by A alone to finish the work is

If tan θ + cot θ = x, then what is the value of tan4θ + cot4θ?

If x2+ y2+ z2= xy + yz + zx, then what is the value of (7x + 3y – 5z)/5x?

The simplest value of 38-212+20318-227+45 is

Two numbers are 35% and 50% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number? 

If the angle of elevation of the top of a pillar from the ground level is raised from 30° to 60°, the length of the shadow of a pillar of height 503 will be decreased by

A solid cube has side 8 cm. It is cut along diagonals of top face to get 4 equal parts. What is the total surface area (in cm2) of each part?