book Maths Puzzle Numerical Ability

3
[ 25 divide (2 - 3)].2

the top 3 is right above the 2

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book Other Question

I am a beginner.

I am stuck on correct answer for finding one of the factors of:

X^2 + X - 6 =

I am not using a specific book. I am just practicing........... Please help me I need this by Monday, please!! :0)

An investment of $1500 paid interest of $45 during a certain period. How much interest would an investment of $2000 invested at the same rate for the same length of time pay?