HKDSE-MATH - 2012PP - Paper 1 -

Ans: A
The cost of profit making car

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= &#

Ans: D
The required interest

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= & \

Ans: (a) $\$153$ (b) $\$150$

1. The selling price of the toy

   $\b

Ans: A
Let $x$ be the number of male workers.

Then the number o

Ans: C
Let $\theta$ and $r\text{ cm}$ be the angle and the rad

Ans: (a) $\$300$ (b) $\$400$

1. The selling price of the book

   $\

Ans: B
Let $\$x$ be the price of the souvenir. Then the new pri

Ans: D
The required amount

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= & 50\

Ans: C
The monthly salary of Peter

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= �

Ans: C
The required interest

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= & 2

Ans: $\$520$
Let $\$x$ be the cost of the vase.

Then the marke

Ans: D
The required interest

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= & 1

Ans: (a) $\$920$ (b) $\$600$

1. Let $\$x$ be the marked price of

Ans: C
The required amount

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= & 650

Ans: A
Let $\$P$ be the selling price of the toy. Then the cost

Ans: $\$260$
Let $\$x$ be the cost of the shirt.

The marked pr

Ans: A

The sum of the percentage of overweight girls and the p

Ans: $\$540$

Let $\$x$ be the marked price of the fan.

The sel