Question
In the following question, four number pairs are given.
In each pair the number on left side of (-) is related to the number of the right side of (-) with some Logic/Rule/Relation. Three pairs are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g., 13 - Operations on 13 such as adding/ subtracting/ multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)Solution
The logic followed here is: The 1st number is multiplied by 3 and then four is subtracted from it to get the 2nd number. 35 β 101 = {(35 X 3) - 4} = {105 - 4} = 101 42 β 122 = {(42 X 3) - 4} = {126 - 4} = 122 29 β 83 = {(29 X 3) - 4} = {87 - 4} = 83 33 β 98 = {(33 X 3) - 4} = {99 - 4} = 95
What will be the average of odd numbers between 20 to 74?
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