Quantitative Aptitude - Arithmetic Ability Questions

The simplification value of 735+2-552+7+227+5 is

Of the 3 numbers whose average is 40, the first is 1/3 rd the sum of other 2. What is the first number?

What is the value of equation a3+b3+c3-3abc if a2+b2+c2=ab+bc+ca+4 and a+b+c = 4.

If a4 + 1 = [a2 /b2 ] (4b2 – b4 – 1), then what is the value of a4 + b4?

The ratio of two positive numbers is 3:4. The sum of their squares is 400. What is the sum of the numbers?

Karteek is twice as good a foreman as Raju and together they finish a piece of work in 20 days. In how many days will Raju alone finish the work?

The sum of squares of three positive integers is 323. If the sum of squares of two numbers is twice the third, their product is