A person who has a certain amount with him goes to market. He can buy 50 oranges or 40 mangoes. Heretains 10% of the amount for taxi fares and buys 20 mangoes and of the balance he purchasesoranges. Number of oranges he can purchase is

36

40

15

2

Correct Answer : D

Which one of the following cannot be the ratio of angles in a right-angled triangle

Which pair of numbers comes next 9 11 33 13 15 33 17?

Look at this series: 15, __, 27, 27, 39, 39,...What number should fill the blank?