Quantitative Aptitude - Arithmetic Ability Questions

The area of a triangle with vertices A (0, 8) , O (0,0) and B (5, 0) is:

On dividing 8a2b2c2 by 4a2, we get

According to the will, the wealth of Rs 11,50,000 was to be divided between the son and the daughter in the ratio 2/3 : 5/4. How much share did the son get (in Rs lakhs)?

Calculate the value of 55-5, if the value of √5 = 2.236.

If x + 1/x = 6, then value of x2 + 1/x2 is

In a match, average of runs scored by 7 players is 53. If the runs scored by 6 players are 121, 40, 26, 56, 37 and 48, then how many runs did the 7th player scored?

15 years ago Cynthia was thrice as old as Brittany. The sum of their present ages is 94 years. How old is Brittany now?

The sum of the ages of father and son at present is 33. Two years ago the product of their ages was 28. What is the age of the father and the son?