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.

95 percent of 4598 will be___

In an exhibition entrance charge was Rs.5 and now it is reduced by 20%. Therefore total income on selling the tickets is increased by 44%, then what is the percent increase in tickets sold?

Mohan gets 3 marks for each correct sum and loses 2 marks for each wrong sum. He attempts 30 sums and obtains 40 marks. The number of sums solved correctly is:

Atul divides some money among his three children A, B and C. The ratio of amount received by A and C together to the amount received by B is 5:2. C received 150% of the amount received by A. If the amount received by C is Rs. 1500. Find the sum of amount received by A and B together. 

If the price of petrol be raised by 20%, then the percentage by which a car owner must Reduce his consumption so as not to increase his expenditure on petrol is 

Sumit got 186 marks in Science, 158 marks in Hindi and 78 marks in Maths. The maximum marks in Science is 220, 180 in Hindi and 130 in Maths. What is his approximate total percentage marks?