A2
B5
C4
D6
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
Each of the digits in the number 318924765 is arranged in descending order from left to right. The position of how many digits will remain unchanged as compared to that in the original number?
Refer to the following series and answer the question (all numbers are single digit numbers only).
(Left) 6 2 1 3 7 6 9 7 4 3 5 2 3 4 3 4 2 3 1 5 7 9 5 8 5 7 5 (Right)
How many such even digits are there each of which is immediately preceded by an even digit and also immediately followed by an odd digit?
Refer to the following series and answer the question (all numbers are single digit numbers only).
(Left) 5 6 9 7 4 5 3 7 8 3 4 2 1 5 7 9 8 1 2 3 4 3 6 2 1 5 7 (Right)
How many such odd digits are there each of which is immediately preceded by an even digit and also immediately followed by an odd digit?