SOAL-SOAL LATIHAN OLIMPIADE MATEMATIKA DALAM BAHASA INGGRIS - Arsip MKKS

1. Nicole has $40, and she wants to buy a new calculator. The
regular price of the calculator she wants is $36, and the store
is having a 20% discount sale today. The state sales tax in
her state is 5% of the purchase price, and the discount is
taken before tax is added. How many dollars will she have
left if she buys the calculator? Express your answer to the
nearest cent.

1.

2. The number 2367 is not divisible by 11. Of all possible
permutations of these four digits, how many result in a
number divisible by 11?

2.

1997-98 School Target Round

3.

Scientists believe that the coldest possible temperature, called

absolute zero, is -273" on the centigrade (C) scale. Given
that F = !C 32, what is the number of degrees in the
equivalent Fahrenheit (F) temperature? Express your answer
as a decimal to the nearest tenth.

3.

+

4.

A
m?

A ABC
is
tenth.

DBE. BC = 20 cm. How many centimeters long

4.

Express your answer as a decimal to the nearest

13

E

iI
<

1997-98 School Target Round

5.

Benjamin Franklin half-dollars were minted in the United
States in 1975. Each coin had a diameter of I&" and
a thickness of
If 80% of each coin was silver, how
many cubic inches of silver were in one of these half-dollars?

Express your answer as a decimal rounded to the nearest
hundredth.

5.

On a recent math test, the mean score for Mr. Bill's first and
second period classes combined was 74%. The mean score in
first period was 70%, and the mean score in second period
was 80%. There was a total of 50 students in the two classes.
How many students were in first period?

6.

h".

6.

1997-98 School Target Round

7. What is the least positive integer value for n such that

0.5n < 0.001 ?

8. How many different line segments are formed by marking
seven distinct points on a line?

1997-98 School Target Round