Quantitative Aptitude - Arithmetic Ability Questions

What is the difference of the cube and square of the common root of (x2 – 8x + 15) = 0 and (y2 + 2y – 35) = 0?

The mean of 10 observations is 13. Two more observations are included and the new mean becomes 14. The mean of two new observations is

In these tests find the Odd figure out

Select the odd word/letters/number/number pair from the given alternatives.

Marked price of an item is Rs 900. On purchase of 2 items discount is 6%, on purchase of 3 items discount is 12%. Rajani buys 5 items, what is the effective discount?

The difference between cost price and selling price is Rs 221. If profit percentage is 17%, then what is the selling price (in Rs)?

If x=2+3,then the value of x2-x+1x2+x+1 is

If 1/√(1 -­ sin2A) = x, then the value of x is