दी गई श्रृंखला में ऐसे कितने 7 हैं जिनके ठीक पहले एक सम संख्या है लेकिन ठीक बाद में एक विषम संख्या नहीं है? 5 9 8 5 6 5 2 4 8 9 5 2 4 7 6 2 1 4 5 8 9 5 7 8 9 2 1 5 3 8 7 9 5 4 8 9 6 3 5

This question is based on the five, three-digit numbers given below. (Left) 441 317 999 155 444 (Right) (Note: In a number like 697, the first digit = 6, second digit = 9 and third digit = 7. All operations are to be done from left to right.) What will be the resultant if the third digit of the highest number is subtracted from the first digit of the lowest number?

In the following number sequence, how many times is '6' followed by an even number but not preceded by an odd number? 7 6 3 4 6 8 2 6 7 9 6 2 8 4 6 6 8 3 5 6 9