Quantitative Aptitude - Arithmetic Ability Questions

If x2+1x2-6, then find the value of 2x(x-1)x3-x2-x+1

If Sinθ = √3/2 and 0°<θ<90°, then the value of tan(θ-15°) is

If  x = 2+3,then what is the value of 2x + 12x ?

The smallest number that must be subtracted from 2800 so that the obtained number is a perfect square is

Find the curved surface area (in cm2) of a right circular cylinder of diameter 28 cm and height 12 cm.

Determine the value of y-1y2 when y4+1y4=34

A bag contains coins of denominations Rs.1, Rs.5 and Rs.10. Assuming there are equal number of Rs.1, Rs.5 and Rs.10, what will be the total number of coins in the bag be if the total money is Rs. 368?

The line passing through (­3,4) and (0,3) is perpendicular to the line passing through (5,7) and (4,x). What is the value of x?