IMO- Mathematics Olympiad Class 8: Questions 332 - 337 of 1029

If a quadrilateral has two pair of equal opposite sides and parallel opposite sides, it is called________.

A man sells a mare of Rs. 2005 making a loss of . The cost of the mare is________.

If a number x is 5 % less than another number y and y is 5 % more than 110, then x is equal to________.

A grocer purchased 50 kg. Of sugar at Rs. 10.50 per kg and mixed it with 100 kg sugar at Rs. 20 per kg. At what rate should he sell the mixture (per kg) to gain 20%?

The difference between compound interest and simple interest on a sum of 2 years at 20 % per annum, when the interest is compounded annually is Rs. 16. If the interest were compounded half yearly, the difference in two interests would be

The selling price of goods which cost Rs. 20 and were sold at a gain of 10 % is________.