Quantitative Aptitude - Arithmetic Ability Questions

The value of aa-b+bb-a is

Find the products : 0.5 x 0.05 x 0.005 x 500

How many numbers are there from 300 to 650 which are completely divisible by both 5 and 7?

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

If A and B are the roots of the equation Ax2 – A2x + AB = 0, then what is the value of A and B respectively?

If the measures of the angles of a triangle are in the ratio. 1:2:3 and if the length of the smallest side of the triangle is 10cm, then the length of the longest side is

The profit (in Rs.) after selling an article for Rs.524 is the same as the loss (in Rs.) after selling it for Rs.452. The cost price of the article is:

Working together, pipes A and B can fill an empty tank in 10 hours. They worked together for 4 hours and then B stopped and A continued filling the tank till it was full. It took a total of 13 hours to fill the tank. How long would it take A to fill the empty tank alone?