Art of Problem Solving
AoPS Online
Math texts, online classes, and more
for students in grades 5-12.
Visit AoPS Online ‚
Books for Grades 5-12 Online Courses
Beast Academy
Engaging math books and online learning
for students ages 6-13.
Visit Beast Academy ‚
Books for Ages 6-13 Beast Academy Online
AoPS Academy
Small live classes for advanced math
and language arts learners in grades 2-12.
Visit AoPS Academy ‚
Find a Physical Campus Visit the Virtual Campus

1993 AJHSME Problems/Problem 24

Revision as of 19:15, 19 August 2011 by Mrdavid445 (talk | contribs) (Created page with "==Problem== What number is directly above <math>142</math> in this array of numbers? \[\begin{tabular}{cccccc} & & & 1 & & \\ & & 2 & 3 & 4 & \\ & 5 & 6 & 7 & 8 & 9 \\ 10 & 11...")
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Problem

What number is directly above $142$ in this array of numbers?

\[\begin{tabular}{cccccc} 

& & & 1 & & \\

& & 2 & 3 & 4 & \\ & 5 & 6 & 7 & 8 & 9 \\ 10 & 11 & 12 & \cdots & & \\ \end{tabular}\]

$\text{(A)}\ 99 \qquad \text{(B)}\ 119 \qquad \text{(C)}\ 120 \qquad \text{(D)}\ 121 \qquad \text{(E)}\ 122$

Retrieved from "https://artofproblemsolving.com/wiki/index.php?title=1993_AJHSME_Problems/Problem_24&oldid=41759"