Number System
A number consists of 3 digit whose sum is 10. The middle digit is equal to the sum of the other two and the number will be increased by 99 if its digits are reversed. The number is:

145
370
352
253

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Number System
If the sum of 4 consecutive odd numbers is 104, what will be the third number if they are arranged in ascending order ?

27
30
29
28

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