Quantitative Aptitude - Arithmetic Ability Questions

If a = √2 + 1 and b = √2 - 1, then the value of 1a+1+1b+1 will be

If x2 + y2 + 6x + 5 = 4(x - y) then x - y is

The ratio of the number of marbles that Joyee and Minati had was 5 : 8 while the ratio of the number of marbles that Jacob and Minati had was 7 : 12. What is the ratio of the number of marbles that Joyee and Jacob had?

In the given figure, AB is a diameter of the circle with center O and XY is the tangent at a point C. If ACX = 35 deg, then what is the value (in deg) of CAB?

The length of a string is 8 feet and 9 inches, which is divided into 3 equal parts. What is the length of each part in inches?

In how many years will Rs 25,000 yield Rs 8,275 as compound interest at 10% per annum compounded annually?

Simplify 0.1x0.1x0.1 + 0.3x0.3x0.30.3x0.3 - 0.3x0.1 + 0.1x0.1

In the given figure, PQRS is a square and SRT is an equilateral triangle. What is the value (in degrees) of angle SOR?