IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 712 - 717 of 1022

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Question 712

Question

MCQ▾

In a rhombus ABCD, and . Then the diagonal BD is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question 713

Question

MCQ▾

Mean of 8 observations was found to be 54. Later on, it was detected that an observation 32 was misread as 23, then the correct mean of the observations is ________.

Choices

Choice (4)Response

a.

48.35

b.

51.152

c.

55.521

d.

55.125

Question 714

Question

MCQ▾

Which of the following represents the relationship between “insect, poison and human” ?

Choices

Choice (4)Response

a.

Three Triangles Show Relationship: Choice A

b.

Three Triangles Show Relationship: Choice B

c.

Three Triangles Show Relationship: Choice C

d.

Three Triangles Show Relationship: Choice D

Question 715

Question

MCQ▾

I՚m going to place a rope around perimeter of our school playground that is in the shape of an octagon. The sides are 10 m, 10 m, 8 m, 8m, 5m, 5 m, 9 m, 9 m. How many meters of rope will be needed for the perimeter?

Choices

Choice (4)Response

a.

164 m

b.

38 m

c.

138 m

d.

64 m

Question 716

Question

MCQ▾

Simplify:

Choices

Choice (4)Response

a.

b.

c.

d.

Question 717

Question

MCQ▾

A ludo die is rolled, then the probability that the number of dots on its upper face is less than 4 is ________.

Choices

Choice (4)Response

a.

b.

c.

1

d.

0