# Difference between revisions of "2015 AMC 10B Problems"

Line 1: | Line 1: | ||

==Problem 1== | ==Problem 1== | ||

+ | What is the value of <math>2-(-2)^{-2}</math> ? | ||

− | + | <math>\textbf{(A)}\; -2 \qquad\textbf{(B)}\; \dfrac{1}{16} \qquad\textbf{(C)}\; \dfrac{7}{4} \qquad\textbf{(D)}\; \dfrac{9}{4} \qquad\textbf{(E)}\; 6</math> | |

[[2015 AMC 10B Problems/Problem 1|Solution]] | [[2015 AMC 10B Problems/Problem 1|Solution]] | ||

==Problem 2== | ==Problem 2== | ||

+ | Marie does three equally time-consuming tasks in a row without taking breaks. She begins the first task at 1:00 PM and finishes the second task at 2:40 PM. When does she finish the third task? | ||

+ | |||

+ | <math>\textbf{(A)}\; ? \qquad\textbf{(B)}\; ? \qquad\textbf{(C)}\; ? \qquad\textbf{(D)}\; ? \qquad\textbf{(E)}\; ?</math> | ||

[[2015 AMC 10B Problems/Problem 2|Solution]] | [[2015 AMC 10B Problems/Problem 2|Solution]] | ||

+ | |||

==Problem 3== | ==Problem 3== | ||

## Revision as of 16:10, 3 March 2015

## 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

What is the value of ?

## Problem 2

Marie does three equally time-consuming tasks in a row without taking breaks. She begins the first task at 1:00 PM and finishes the second task at 2:40 PM. When does she finish the third task?

## Problem 3

## Problem 4

## Problem 5

## Problem 6

## Problem 7

## Problem 8

## 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

The problems on this page are copyrighted by the Mathematical Association of America's American Mathematics Competitions.