Sanjay sold an article by giving a discount of 8 % for Rs. 17940. And make a profit of 19.6 %. If he did not give discount then how profit percentage he get? 

Mohan gets 4 marks for each correct sum and losses 1 marks for each wrong sum. He attempted 30 sum and obtains 50 marks. The number of sums solved correctly is? 

On selling an article on certain price a shopkeeper gets a loss of x%. If he doubles the selling price he will get a profit of 30%. Find the value of x.

On selling an article for Rs 162 there is a loss of 10%.At what price it should be sell in order to gain a profit of 10%?

Tank is normally filled in 8 hours but takes 2 hours longer to fill because of a leak in its bottom. If the cistern is full, in how many hours will the leak empty it? 

If A purchased 109 cars for Rs.2,64,89,071. How much does 1 car cost? 

If a 12 meter rod is cut into 25 equal pieces, what is the length of each piece?

If the perimeter of a rectangle is 24cm with length being twice as its breadth, find its area.