book Maths Puzzle Numerical Ability

An Earthquake measure 6.3 on the richter scale. Find the magintude of this earthquake.

Read Solution (Total 0)

book Other Question

I am needing help with the following problem please:
Evaluate 2x(squared)(Y+Z) where X=2, Y=3 Z=4

I got 15 but I am second guessing myself and wanted to see if I worked the problem correctly. Thanks for your help... the sum of two consecutive oddintegers is 244. what is the smaller integer?