Quantitative Aptitude - Arithmetic Ability Questions

What is the simplified value of 22433+393-11253?

In ∆DEF measure of angle E is 90°. If secD = 25/7, and DE = 1.4cm, then what is the length (in cm) of side DF?

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

A boat goes 8 km upstream and 12 km downstream in 7hours. It goes 9 km upstream and 18 km downstream in 9 hours. What is the speed (in km/h) of the boat in still water?

If √[(1 + cosA)/2] = x, then find the value of x.

If x + y + z = 0, then what is the value of (3y2 + x2 + z2 )/(2y2 – xz)?

If θ>0, be an acute angle, then the value of it in degrees satisfying cos2θ-3cosθ+2sin2θ=1 is

The difference between the compound interest compounding half yearly for 1 year and the simple interest for 1 year on a certain sum of money lent out at 8% per annum is Rs 64. What is the sum (in Rs)?