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Q1) Use the average to find 68 x 72
Q2) Use the average to find 31 x 49
Q3) Which two of the following can be easily found by using the average:
Q4) Can we use the average to find 72 x 76?
Q5) Find 89 x 81 using ‘By One More than the One Before’
Q6) Use “Proportionately” and “By One More than the One Before” to find 36 x 17:
Q7) Which two of the following can be found using “By One More than the One Before”:
Q8) Two numbers have an average of 60 and one of the numbers is 57. The product of the numbers is