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Maths Puzzle
Numerical Ability
$700 simple interest was earned over 4 years on an investment of $2500. What was the annual rate?
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I need help with a question, Find the value of a in the equation
5
--- =
a+3
3
---
a-2
I think the answer is a= 2 3/8
Am I right, Can someone let me know?
9/2b+1=c. which is NOT a value of b?
a) 1
b)1/2
c)-1/2
d)0