exam
Maths Puzzle
Numerical Ability
26. Business and finance. Ms. Jordan has been given a loan of $2500 for 1 year. If the interest charged is $275, what is the interest rate on the loan?
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exam Other Question
Circle Path, Inc. makes bicycles, tricycles, and unicycles. Last week they made 88 more bicycles than unicycles, and 5 times as many tricycles as unicycles. If they made 40 more bicycles than tricycles, how many unicycles did they make?
Been trying to verify this identity:
cot(x) / 1 + sin(x) = csc(x) * sec(x) - sec(x)
Any pointers would be appreciated.