IMO- Mathematics Olympiad Class 7: Questions 253 - 257 of 1012

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Question number: 253

» Number System

MCQ▾

Question

Table showing the Natural Number

Find the All natural number

175

70

The diagram above contains 13 boxes. The numbers in the second and the twelfth boxes are respec- tively 175 and 70. Fill up the boxes with natural numbers such that

  1. Sum of all numbers in all the 13 boxes is 2015,
  2. Sum of the numbers in any three consecutive boxes is always the same.

The solution must contain the steps how you arrive at the numbers.

Choices

Choice (4) Response

a.

210

b.

212

c.

207

d.

208

Question number: 254

» Practical Geometry - Lines and Angles

MCQ▾

Question

In the figure, ABCD is a rhombus and CGEF is a square. Find X.

ABCD rhombus and CGEF square is given

ABCD Rhombus and CGEF Square Is Given

Showing image of ABCD rhombus and CGEF square is given

Choices

Choice (4) Response

a.

105°

b.

35°

c.

110°

d.

55°

Question number: 255

» Practical Geometry - Lines and Angles

MCQ▾

Question

S: If two lines r and m intersect to each other. then the vertically opposite angles are equal.

T: Sum of all angles around a point is 180°

Which of the following statement is true?

Choices

Choice (4) Response

a.

S and T are true

b.

T is true and S is false

c.

S is true and T is false

d.

S and T are false

Question number: 256

» Practical Geometry - Lines and Angles

MCQ▾

Question

To construct a triangle how many independent measurements are required ________.

Choices

Choice (4) Response

a.

3

b.

5

c.

6

d.

2

Question number: 257

» Practical Geometry - Lines and Angles

MCQ▾

Question

The angle between two hands of clock at 6:50 pm is ________

Choices

Choice (4) Response

a.

95°

b.

15°

c.

65°

d.

48°

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