Quantitative Aptitude - Arithmetic Ability Questions

Of the 3 numbers whose average is 70, the first is 1/9 times the sum of other 2. The first number is

If (1 - cosA)/2 = x, then the value of x is

The measure of the four successive angles of a quadrilateral are in the ratio 7 : 11 : 7 : 11. The quadrilateral is a ______.

X does 25% of a work in 20 days. Y joins X and they together finish the remaining work in 15 days. Y alone can do the whole work in ___ days.

Divide 20 into two parts such that the sum of the square of the parts is 232. What is the value of the two parts?

∆ABC is right angled at B. If m∠A = 45°, then find the value of (coseC + 1/√3).

If x = 1/(√2+1) then the value of x2 + 2x - 1 is

In the following question, select the odd letter group from the given alternatives.