# Digit Aptitude Part 1

If in following the groups of numbers, the middle digit of each group is doubled, then the digit of each grouped are written in reverse order. After this these numbers are arranged in descending order then in the new arrangement what will be first digit of the original number coming in the middle? (714, 238, 529, 425, 642, 532)

In the following sequence how many 8’s are there each of which is preceded by an odd number, but not number, but not followed by an even number? 7 8 2 8 9 3 8 5 2 3 8 4 7 8 1 9 8 8 5

In the following group number, the digit of each group are written in reverse order, then these obtained numbers are written in decreasing order, What will be the unit digit of fourth group? 476, 629, 357, 184, 536, 863

In the following number sequence how many such 5’s are each of which is followed by an odd number but is preceded by an even number? 234 534 524 523 523 423 453 452 551 545 54

If all the numbers are arranged in descending on the basis of the sun of all the three digit of each group, then which group of the numbers will be just in the middle? 123, 345, 567, 789, 914, 234, 456

If all the numbers which are divisible by 2. between 11 and 30 are deleted, then how many numbers will remain?

How many 6’s are there in the following sequence, each of which is preceded and followed by an odd number? 3 6 2 5 6 3 6 2 6 4 6 6 7 6 9 6 2 6 7 6 2 6 3 6 5

If all the following groups of digit are arranged in ascending order. Then which will be the middle digit of the last group? 378, 642, 951, 269, 512

If all the numbers from 31 to 60, which are multiple of 3 or 3 is one of digit of that number are deleted, then how many numbers will remain?

Using first, third, sixth and seventh digit of the number 9 3 4 2 6 1 8 5, one time each how many numbers of two digit are possible which are perfect square of a number. What is that number? If two such numbers are possible then answer 11 if no such number is possible then answer zero.

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