IGCSE Mathematics Paper-1: Specimen Questions with Answers 206 - 211 of 324

Question 206

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Short Answer▾

An integer n is such that . Write down a value of n which is

A prime numbers

Explanation

  1. A prime number is a whole number greater than 1 whose only factors are 1 and it self.
  2. A factor is a whole numbers that can be divided evenly into another number.
  3. The find the prime number between 80 to 90 is 83 and 89.
  • Here find the square number between 80 to 90
  • Here A square number is 81.
  • And 81 is between 80 to 90.

Question 207

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Short Answer▾
Points a, B and C Are Shown on the Grid

M is the mid-point of AC. Write as a column vector.

Explanation

Co-ordinates of the mid-point of AC are:

Here coordinates is

The coordinates of the vector are

Question 208

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Short Answer▾

When , find the value of

Explanation

Here

Question 209

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Short Answer▾

Choose one of the symbols given above to complete each of the following statements.

When x = 12 and y =-4, then

Explanation

  • Here x = 12 and y =-4
  • So,

Question 210

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Short Answer▾

When , find the value of

Explanation

Here given the

Question 211

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Short Answer▾

The diagram shows a square tile of side 16 centimeters with 4 identical quarter circles shaded.

The Area of the Unshaded Region

Calculate the area of the unshaded region.

Explanation

The 4 quarter circles combined to from 1 complete circle with radius.

Q-17

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