Question
If ‘655, 436, 764, 799, 977, 572, 333’ is the
input, which of the following steps will be ‘333, 436, 572, 655, 977, 764,799’? Directions : A number arrangement machine,when given a particular input, rearranges it following a particular rule. The following is the illustration of the input and the steps of arrangement: Input: 245, 316, 436, 519, 868, 710, 689 Step I: 710, 316, 436, 519, 868, 245, 689 Step II: 710, 316, 245, 519, 868, 436, 689 Step III: 710, 316, 245, 436, 868, 519, 689 Step IV: 710, 316, 245, 436, 519, 868, 689 Step IV is the last step for the given input.Solution
Here the rule followed is: The sum of the digits is calculated. Then in step I, the number with lowest sum of its digits interchanges with the first number. [If the first number has already the lowest sum of its digits then the number with second lowest sum of its digits interchanges with the second number.] The process continues until the numbers get arranged in ascendingorder on the basis of their sum of digits.
If we add “1” to all the even digits of the number 2548729543568, then, which digit(s) appears, more than twice after the rearrangement?
How many small letters are there which are preceded by the numbers in both the sets of the above arrangement?
How many 5 are there in the following list in which followed by 9 and preceded 4, 5 or 6?
3 4 4 5 9 6 6 7 7 7 5 5 9 8 9 9 9 8 8 8 7 7 6 5 9 8 8 8 8
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