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?

A certain bank offers 8% rate of interest on the 1st year and 9% on the 2nd year in a certain fixed deposit scheme. If Rs 17,658 are received after investing for 2 years in this scheme, then what was the amount (in Rs) invested?

3 numbers whose average is 112, the first number is 1/6th the sum of other 2. What is the first number?

If the numbers  93, 204, 256 are arranged in ascending order, then the right arrangement is 

If 2x2+2y2=4a the find the value of 2ax2-a+2ay2-a

Mukesh sells two shirts. The cost price of the first shirt is equal to the selling price of the second shirt. The first shirt is sold at a profit of 30% and the second shirt is sold at a loss of 30%. What is the ratio of the selling price of the first shirt to the cost price of the second shirt?

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

The price of an article is cut by 42%, to restore to its original value, the new price must he increased by ______.