Question
Each even digit in the number 746329 is replaced by the
next higher digit and each odd digit is replaced by the previous lower digit and the digits obtained are rearranged in ascending order. Which of the following will be the third from the left end after the rearrangement?Solution
Given number- 7 4 6 3 2 9
After change -6 5 7 2 3 8 23 5 678
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45, 54, 42, 56, 46, 48, 52, 50, 57, 43Find the average of the numbers 12, 14, 18 and 26
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Average age of A, B and C is 20 years. Average age of B and C was 12 years when A was born. If B is 21 years old, then, find the age of C, 6 years hence.
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