Difference between revisions of "1990 AJHSME Problems"
5849206328x (talk | contribs) (New page: ==Problem 1== Solution == Problem 2 == Which digit of <math>.12345</math>, when changed to <math>9</math>, gives the largest number? <math>\text{(A)}...) |
5849206328x (talk | contribs) |
||
| Line 16: | Line 16: | ||
== Problem 4 == | == Problem 4 == | ||
| + | |||
| + | Which of the following could '''not''' be the unit's digit [one's digit] of the square of a whole number? | ||
| + | |||
| + | <math>\text{(A)}\ 1 \qquad \text{(B)}\ 4 \qquad \text{(C)}\ 5 \qquad \text{(D)}\ 6 \qquad \text{(E)}\ 8</math> | ||
[[1990 AJHSME Problems/Problem 4|Solution]] | [[1990 AJHSME Problems/Problem 4|Solution]] | ||
== Problem 5 == | == Problem 5 == | ||
| + | |||
| + | Which of the following is closest to the product <math>(.48017)(.48017)(.48017)</math>? | ||
| + | |||
| + | <math>\text{(A)}\ 0.011 \qquad \text{(B)}\ 0.110 \qquad \text{(C)}\ 1.10 \qquad \text{(D)}\ 11.0 \qquad \text{(E)}\ 110</math> | ||
[[1990 AJHSME Problems/Problem 5|Solution]] | [[1990 AJHSME Problems/Problem 5|Solution]] | ||
== Problem 6 == | == Problem 6 == | ||
| + | |||
| + | Which of these five numbers is the largest? | ||
| + | |||
| + | <math>\text{(A)}\ 13579+\frac{1}{2468} \qquad \text{(B)}\ 13579-\frac{1}{2468} \qquad \text{(C)}\ 13579\times \frac{1}{2468}</math> | ||
| + | |||
| + | <math>\text{(D)}\ 13579\div \frac{1}{2468} \qquad \text{(E)}\ 13579.2468</math> | ||
[[1990 AJHSME Problems/Problem 6|Solution]] | [[1990 AJHSME Problems/Problem 6|Solution]] | ||
== Problem 7 == | == Problem 7 == | ||
| + | |||
| + | When three different numbers from the set <math>\{ -3, -2, -1, 4, 5 \} </math> are multiplied, the largest possible product is | ||
| + | |||
| + | <math>\text{(A)}\ 10 \qquad \text{(B)}\ 20 \qquad \text{(C)}\ 30 \qquad \text{(D)}\ 40 \qquad \text{(E)}\ 60</math> | ||
[[1990 AJHSME Problems/Problem 7|Solution]] | [[1990 AJHSME Problems/Problem 7|Solution]] | ||
== Problem 8 == | == Problem 8 == | ||
| + | |||
| + | A dress originally priced at <math>80</math> dollars was put on sale for <math>25\% </math> off. If <math>10\% </math> tax was added to the sale price, then the total selling price (in dollars) of the dress was | ||
| + | |||
| + | <math>\text{(A)}\ \text{45 dollars} \qquad \text{(B)}\ \text{52 dollars} \qquad \text{(C)}\ \text{54 dollars} \qquad \text{(D)}\ \text{66 dollars} \qquad \text{(E)}\ \text{68 dollars}</math> | ||
[[1990 AJHSME Problems/Problem 8|Solution]] | [[1990 AJHSME Problems/Problem 8|Solution]] | ||
Revision as of 19:37, 2 June 2009
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
Problem 2
Which digit of 
, when changed to 
, gives the largest number?
Problem 3
Problem 4
Which of the following could not be the unit's digit [one's digit] of the square of a whole number?
Problem 5
Which of the following is closest to the product 
?
Problem 6
Which of these five numbers is the largest?
Problem 7
When three different numbers from the set 
are multiplied, the largest possible product is
Problem 8
A dress originally priced at 
dollars was put on sale for 
off. If 
tax was added to the sale price, then the total selling price (in dollars) of the dress was
Problem 9
Problem 10
Problem 11
Problem 12
Problem 13
Problem 14
Problem 15
Problem 16
Problem 17
Problem 18
Problem 19
Problem 20
Problem 21
Problem 22
Problem 23
Problem 24
Problem 25
See also
| 1990 AJHSME (Problems • Answer Key • Resources) | ||
| Preceded by 1989 AJHSME |
Followed by 1991 AJHSME | |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | ||
| All AJHSME/AMC 8 Problems and Solutions | ||
