How many such 8s are there in the following number sequence each of which is immediately preceded by 4 or 5 but not immediately followed by 3 or 6?

4 8 9 5 1 8 6 7 5 8 2 9 8 3 5 8 2 7 

If all the digits of "418923712539" are arranged in ascending order from left to right, then what will be the sum of the fourth digit from the left and the third digit from the right?

If 2 is added to each odd digit and 1 is subtracted from each even digit in the number 752386132, what will be the sum of the digits which are second from the left and third from the right, in the number thus formed?

If in the number sequence 4 5 3 6 7 7 2 2 1 6 3 5 7 8, all the odd numbers are increased by 1 and all the even numbers are decreased by 1, then the number sequences are arranged in ascending order, which will be the third digit from the left end?

What is the  multilplication of the number which is thirteenth from the left and seventh from the right?

If in the number sequence 4 5 3 6 7 7 2 2 1 6 3 5 7 8, all the odd numbers are increased by 1 and all the even numbers are decreased by 1, then the number sequences are arranged in ascending order, which will be the third digit from the left end?

If in the number '764852372624373582' all the prime numbers are arranged in ascending order, and the composite numbers are arranged in descending order (such that the highest composite number is placed immediately after the highest prime number), then what will be the product of the 5th number from the left end and 9th number from the right end? 

If in the given number 1325363, numbers present at even places are changed to the next number of it and the numbers present at odd places are changed to two times of itself then how many numbers in the resultant will have number 7?

If in the number sequence 8 4 5 3 6 7 7 2 2 1 6 3 5 7, all the odd numbers are increased by 1 and all the even numbers are decreased by 1, then the number sequence are arranged in ascending order, which will be the seventh digit from the left end?

In the series, what is the sum of the number that is 5th from the left end and the number that is 7th from the right end?

4, 5, 7, 8, 9, 2, 5, 1, 3, 0, 6, 4, 8, 1, 5, 3, 9, 2, 8, 9, 0, 4, 3

If all the digits of the number '47628192' are arranged in decreasing order from left to right, then what will be the sum of the digits, which are 3rd and 5th from the left and right end respectively?

If 1 is added to each odd digit and 2 is subtracted from each even digit in the number 4681342, what will be difference between the highest and lowest digits thus formed?

Refer to the following number series and answer the question that follows.
(Left) 2 5 4 3 3 4 5 2 4 6 5 1 1 4 6 7 4 5 8 7 3 1 5 7 (Right)
If every odd number in the above series is dropped, which number would appear at the eighth place from the right?

What is the number of alphabets between the second number from the left end and the fourth element from the right end?

Which will be the 2nd highest product of the 2nd and the 3rd digit after arranging the digits in ascending order within the numbers?

If 2 is added to the 1st digit of even numbers and 3 is subtracted from the 3rd digit of odd numbers, what will be the difference between the highest and the second lowest number?

If all the numbers are arranged in ascending order and then increased by 2, then what will be the sum of the number which is second from right and the number which is second from left?

If all the digits are added within the number then how many numbers will be multiple of 2?

If the first and last digit is interchanged and then the second and first digit is interchanged then which number will be the second highest?

In how many numbers, the difference between the second and the third digit is equal to the first digit of each number?

If in the number 634875, 1 is added to all the even digits and 2 is added to all the odd digits, then which digit will be fourth to the left of the fifth digit from the left end?

If all the digits of "273654713" are arranged in ascending order from left to right, then what will be the second digit from the right end if we add 1 to every odd-numbered digit and 2 to every even-numbered digit?

Which will be the 2nd highest product of the 2nd and the 3rd digit after arranging the digits in ascending order within the numbers?

If 2 is added to the 1st digit of even numbers and 3 is subtracted from the 3rd digit of odd numbers, what will be the difference between the highest and the second lowest number?

In how many numbers, the difference between the second and the third digit is equal to the first digit of each number?

What is the sum of the 1st number from the left end and the third number from the right end?

What is the product of first digit of the smallest number and last digit of the largest number?

What is the absolute difference between the 1st even number from the right end and the 1st odd number from the left end?

What is the sum of the digits of the third number from the right end?

If one is added to all the even numbers, then what is the difference between the second number from the left end and the first number from the right end?

If in each number, the first and the second digits are interchanged, then which of the following will be the highest number? 

What is the sum of the second digit of the lowest number and the third digit of the highest number?

If all the even numbers are divided by 2 and all the odd numbers are multiplied by 3, how many numbers in the resulting series will be greater than 15?

What will be the result if we subtract the 2nd number from the left end and the 3rd number from the right end?

What is the sum of the numbers between the seventh number from the left end and the tenth number from the right end?

After arranging all the digits in increasing order (within the number), what is the sum of the third digit of the highest number and the first digit of the lowest number so formed?

If each number's last digit is removed, how many numbers will be divisible by 9?

Which number is seventh to the left of the sixth number from the right end?

If 1 is added to all the even numbers and 2 is added to all the odd numbers, how many numbers in the given series will be divisible by 3?

How many even numbers are there between the 8th number from the right end and the 5th number from the left end?

How many even numbers are there which are immediately followed and preceded by odd numbers?

If 2 is added to all the even numbers and 1 is subtracted from all the odd numbers, how many numbers in the resulting series will be prime numbers?

If 3 is added to all even numbers and 1 is subtracted from all odd numbers, how many numbers in the resulting series will be multiples of 5?

How many odd numbers are there which are immediately followed and preceded by an even and odd number respectively?

How many 4's are there in the series, which is immediately followed by an odd number?

The resultant of which number is highest if each number's first and last digits are added?

If all the digits are arranged in descending order from left to right within a number, then which number will be the smallest in the new arrangement?

If the second and third digits are interchanged within a number and the first and second digits are multiplied, how many numbers will be divisible by 3?

If all the digits in the number are added and then their square is written, then how many even numbers will be formed?

When all the even digits are changed to their immediate succeeding digit and all the odd digits are changed to their immediate preceding digit, then which number will be the third highest?