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?

The length of a side of an equilateral triangle is 8 cm. The area of the region lying between the circum circle and the incircle of the triangle is (use: π = 22/7)

A triangle has a perimeter of 200. If two of its sides are equal and the third side is 20 more than the equal sides, what is the length of the third side?

If 7x - [3(2x - 3)]/2 = 1/2, then what is the value of x?

If a person bought an item for Rs. 60 and sold it at a profit of 25%, the selling price of the item would be

The average of 8 consecutive natural numbers is 38.5. What is the largest of these 8 numbers?

Mahesh buys 3 shirts at an average price of Rs 1250. If he buys 2 more shirts at an average price of Rs 1450 what will be the average price (in Rs) of all the 5 shirts he buys?

7/15 of 5/3 of a number is greater than 7/9 of 3/5 of the same number by 9. Find the quadruple of the number.