Difference between revisions of "2005 CEMC Gauss (Grade 7) Problems"
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== Problem 9 == | == Problem 9 == | ||
− | A movie theatre has eleven rows of seats. The rows are numbered from 1 to 11. Odd-numbered rows have 15 seats and even-numbered rows have 16 seats. How many seats are there in the theatre? | + | A movie theatre has eleven rows of seats. The rows are numbered from <math>1</math> to <math>11</math>. Odd-numbered rows have <math>15</math> seats and even-numbered rows have <math>16</math> seats. How many seats are there in the theatre? |
<math>\text{(A)}\ 176 \qquad \text{(B)}\ 186 \qquad \text{(C)}\ 165 \qquad \text{(D)}\ 170 \qquad \text{(E)}\ 171</math> | <math>\text{(A)}\ 176 \qquad \text{(B)}\ 186 \qquad \text{(C)}\ 165 \qquad \text{(D)}\ 170 \qquad \text{(E)}\ 171</math> |
Revision as of 14:57, 22 October 2014
Contents
- 1 Problem 1
- 2 Problem 2
- 3 Problem 3
- 4 Problem 4
- 5 Problem 5
- 6 Problem 6
- 7 Problem 7
- 8 Problem 8
- 9 Problem 9
- 10 Problem 10
- 11 Problem 11
- 12 Problem 12
- 13 Problem 13
- 14 Problem 14
- 15 Problem 15
- 16 Problem 16
- 17 Problem 17
- 18 Problem 18
- 19 Problem 19
- 20 Problem 20
- 21 Problem 21
- 22 Problem 22
- 23 Problem 23
- 24 Problem 24
- 25 Problem 25
- 26 See also
Problem 1
The value of is
Problem 2
The value of is
Problem 3
Contestants on "Gauss Reality TV" are rated by an applause metre. In the diagram, the arrow for one of the contestants is pointing to a rating closest to:
Problem 4
Twelve million added to twelve thousand equals
Problem 5
The largest number in the set {} is
Problem 6
At a class party, each student randomly selects a wrapped prize from a bag. The prizes include books and calculators. There are prizes in the bag. Meghan is the first to choose a prize. If the probability of Meghan choosing a book for her prize is , how many books are in the bag?
Problem 7
Karen has just been chosen the new “Math Idol”. A total of votes were cast and Karen received of them. How many people voted for her?
Problem 8
In the diagram, what is the measure of in degrees?
Problem 9
A movie theatre has eleven rows of seats. The rows are numbered from to . Odd-numbered rows have seats and even-numbered rows have seats. How many seats are there in the theatre?