Quantitative Aptitude - Arithmetic Ability Questions

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?

ΔPQR is right angled at Q. QS is the altitude. PQ is 2√13 cm and PS is 8 cm. What is the length of SR?

If x+1x ≠0 and x3+1x3 = 0, then the value of x+1x4 is :

If x1/4 + x-1/4 = 2, then what is the value of x81 + (1/x81)?

Junko sold an item for Rs. 220 at a loss of 12%. By how much should she have raised the price to make a profit of 10% ?

The difference between compound interest and simple interest on a sum for 2 year at 20% per annum is Rs 200. If the interest is compounded half yearly, then what is the difference (in Rs) between compound and simple interest for 1st year?

The sum of a fraction and 7 times its reciprocal is 11/2. What is the fraction?

In an army selection process, the ratio of selected to unselected was 6:1. If 90 less had applied and 30 less selected, the ratio of selected to unselected would have been 8:1. How many candidates had applied for the process?