Quantitative Aptitude - Arithmetic Ability Questions

The ratio of present ages of Rasika and Shami is 7:5. After 17 years the ratio of their ages will be 12:11. What is Rasika's present age?

On walking 100 metres towards a building in a horizontal line, the angle of elevation of its top changes from 45 to 60 deg. What will be the height (in metres) of the building?

If a + b + c = 11 and ab + bc + ca = 17, then what is the value of a3 + b3 + c3 – 3abc?

The area of an equilateral triangle is 25√3 sq.cm. Find its side (in cm).

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

Point A (4 , 2) divides segment BC in the ratio 2:5. Co-ordinates of B are (2 , 6) and C are (7 , y). What is the value of y?

If x + √5 = 5 + √y, and x, y are positive integers, then the value of x+yx + y

When 0.151515.....is converted into a fraction, then the result is