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Tuesday, October 13, 2009
Olympiad questions @ 12:49 PM

Olympiad questions

1)Find the number of the digit 1 in the numbers 1,2,3...,300

2)The following is a 100-digit number:

298352983529835...29835

Find the sum of the first 78 digits.

3)At a Science conference, 15 participating members shook hands with each other. How many handshakes were there?

4)From 12.30 p.m. to 7.45 p.m. on a given day, how many times will the hour hand and the minute hand of a clock form a right angle?

5)In a computer game, you could score either 8 points or 5 points for each level of the game. What numbers between 10 to 30 cannot be a total score?

6)Christmas Day in 2008 falls on Thursday. On what day of the week will it be in the year 2022?

7)If 251 x 8 = 2008, what is the value of 2.51 x 0.08?

8)The sum of 5/8 of the number of workers in Company A and 3/4 of the number of workers in Company B is 58. There are 84 workers altogether in both companies. How many workers are there in Company B?

9)What is the 2008th letter in the sequence below?

ABCDEDCBAABCDEDCBAABCDEDCBAABCDE.....

Done? E-m@il your answer to angel_crystall@hotmail.com!!








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