Which one of the following cannot be the ratio of angles in a right-angled triangle
1 : 2 : 3
1 : 1 : 2
1 : 3 : 6
None of these
Correct Answer : C
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?
Look at this series: 5.2, 4.8, 4.4, 4,...What number should come next?