# IGCSE Mathematics Paper-1: Specimen Questions with Answers 283 - 289 of 324

## Question 283

### Write in Short

Short Answer▾Jaya sold 600 kg tomatoes for 5,000 and earned a profit of 15% . If she sold them at? 20 per kg, find her profit or loss.

### Explanation

- Selling price of 600 kg tomatoes is 5,000 ₹
Profit %= 15%

Now,

New rate of selling is 20 ₹ /kg

New selling price of 600 kg tomatoes is

It’s a profit

## Question 284

## Question 285

### Write in Short

Short Answer▾Estimate the sum by first rounding each number to the nearest ten.

### Explanation

- First round each number to the nearest ten.
The sum of the rounding each number

The estimate is 2,790.

## Question 286

### Write in Short

Short Answer▾From the values listed above, write down

A square number.

### Explanation

Here given the value is

The equal value of is 0.082.

## Question 287

## Question 288

### Write in Short

Short Answer▾Write down the value of n each of the following statements.

### Explanation

- Here given the
It is a scientific notation

Here

## Question 289

### Explanation

- We have to check, how many times an equilateral triangle fits on to itself during a full rotation of 360 degrees.
Please look at the images of the equilateral triangle in the order A, B and C.

A is the original image. The images B and C are generated by rotating the original image A.

When we look at the above images of equilateral triangle, it fits on to itself 3 times during a full rotation of 360 degrees.

Hence, an equilateral triangle has rotational symmetry of order 3.