exam
Maths Puzzle
Numerical Ability
I need help with the following
Set K contains 30 elements, set J contains 46 elements, and 11 elements are common to both sets. Find n ( K U J).
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87.Money is invested in a savings account at 12% simple interest.After one year there is $1,680 in the account.How much was originally invested?
I need some help checking this question. Thanks.
Simplify: y(to the power of 60) + y(to the power of 45) / y(to the power of 15)
Answer: y(to the power of 30)(y(to the power