Quantitative Aptitude - Arithmetic Ability Questions

If 2x+2x=3,then the value of x3+1x3+2 is

O is the circumcentre of ΔABC. If AO = 8 cm, then the length of BO is

A sells a watch to B and makes a loss of 12%. B makes a profit of 12.5% by selling the watch to C. If A sells the watch to B at the cost of which C purchased it, then the percentage of loss or profit of A will be,

Yayati sold an item at a loss of 13%. If he had sold it for Rs. 49 more, he would have made a profit of 22%. What should be the selling price of the item to gain a profit of 30%?

The height of a cone is 45 cm. It is cut at a height of 15 cm from its base by a plane parallel to its base. If the volume of the smaller cone is 18480 cm3, then what is the volume (in cm3) of the original cone?

The largest 5 digit number exactly divisible by 89 is:

The ratio of present ages of R and S is 6:7. Before 12 years the ratio of their ages was 9:11. What is R's present age (in years)?

If sinA + sin2A = 1 then what is the value of cos2A + cos4A ?