exam
Maths Puzzle
Numerical Ability
2 1 1
5 4 1
2 1 1
3 3 _
I am suppose to find the missing number in the second matrix by using row operation.
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exam Other Question
A stockbrokcer trades stock for 100 days. On day 1 he loses $100. Every day after that, he loses $100 more than on the previous day. What is his average daily loss duing the 100
Can you please show me how to solve the system by addition?
x+y=9
x-y=9
Thank you