exam
Maths Puzzle
Numerical Ability
5/x - 2/x = 3
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exam Other Question
Use the compound interest formula above to compute the total amount after $3000 is invested at 4% over 2 years compounded daily. (Use n=360).
A cashier saves 1/5 of her gross monthly salary. This is $40 more than is saved by her friend that is a secretary whose salary is $200 greater. If the secretary save 1/7 of her salary. How much does each earn per month?