Nova Math - Problem Set E: Math Notes

Question Name	Average time to answer (seconds)	Total correct answers	Total incorrect answers
Column Ax > 0Column B2x2(2x)2	54	79	22
Which of the following fractions is greatest?	54	80	15
	46	81	12
The ratio of 1/5 to 1/4 is equal to the ratio of 1/4 to x. x 1/20	101	73	21
Column AColumn BThe square root of 7/8The square of 7/8	62	82	11
Let a # b be denoted by the expression a # b = - b4	60	59	31
	53	84	5
... ...	70	65	24
	54	66	23
Column A rs = 4 and st = 10Column B4/r10/t	79	69	28