### Follow me on Twitter

My Tweets-
### Recent Posts

### Archives

### Categories

- Advice (3)
- Azerbaijan (4)
- Blog matters (12)
- Canada (6)
- Grade 10 (35)
- Grade 12 (126)
- Grade 8 (51)
- Intl/Regional (21)
- Japan (6)
- Kazakhstan (14)
- Moldova (4)
- Random (72)
- Romania (6)
- Scotland (1)
- Singapore (75)
- Spain (2)
- Sports & Games (3)
- UK (2)
- Undergraduate (15)
- USA (99)

### Tags

### Meta

# Tag Archives: USA OMO

## [Soln] Spring 2014 USA Online Math Open Qn 4

Spring 2014 USA OMO Qn 4. The integers are written in order on a long slip of paper. The slip is then cut into five pieces, so that each piece consists of some (nonempty) consecutive set of integers. The averages of … Continue reading

## Spring 2014 USA Online Math Open Qn 4

## [Soln] Fall 2014 USA Online Math Open Qn 13

Fall 2014 USA OMO Qn 13. Two ducks, Wat and Q, are taking a math test with 1022 other ducklings. The test has 30 questions, and the th question is worth points. The ducks work independently on the test. Wat … Continue reading

## Fall 2014 USA Online Math Open Qn 13

## [Soln] Fall 2014 USA Online Math Open Qn 10

Fall 2014 USA OMO Qn 10. Find the sum of the decimal digits of . Here is the greatest integer not exceeding .