IGCSE Mathematics Paper-1: Specimen Questions with Answers 94 - 97 of 324

Question 94

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Write in Short

Short Answer▾

A newly developed company earns less profit in starting, then as per year passes it started to earn more profit, then how it would show correlation on scatter diagram.

Positive Negative Zero

Explanation

Here, as year passes Company started to earn more profit means as time increases profit also increases as shown in below diagram.

Company Started to Earn More Profit Means as Time

So, it shows the positive correlation because it shows the positive gradient.

Question 95

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Short Answer▾

(a) Write down common multiples of 18 and 24

(b) Solve

Give your answer as a fraction in its lowest terms.

Explanation

Here,

(a) We need to find common multiple of 18 and 24.

So,

So, here common multiples are 3 and 2.

(b) Here, .

Question 96

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Short Answer▾

ind value of as a fraction.

Explanation

Here,

Question 97

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Describe in Detail

Essay▾

Mica buys a box of 40 apples for $ 10. He sells all the apples in the market for 45 cents each.

(a) Calculate the profit he makes.

(b) Calculate the percentage profit he makes on the cost price.

Explanation

Here,

(a) He sells as 45 cent per 1 apple.

As we know 1 dollar = 100 cent

So, 10 dollars = ? cent

So,

So, Mica buys 40 apples for 1,000 cents (Cost price) and sells (Selling Price) .

So,

(b) Percentage of profit of cost price (1,000)

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