IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 569 - 575 of 1022

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Question 569

Question

MCQ▾

In the figure (not drawn to scale) , ABC is an equilateral triangle and ABD is an isosceles triangle with DA = DB, find x.

A Triangle ABC Having Another Triangle ABD in It

Choices

Choice (4)Response

a.

b.

c.

d.

Question 570

Question

MCQ▾

In a and is thrice that of . Then is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question 571

Question

MCQ▾

In the figure (not drawn to scale) , EFA is a right-angled triangle with and FGB is an equilateral triangle, find .

A Right Angled Triangle EFA

Choices

Choice (4)Response

a.

8

b.

16

c.

2

d.

20

Question 572

Question

MCQ▾

What percent of 1 day is 3600 seconds?

Choices

Choice (4)Response

a.

5.16 %

b.

4.17 %

c.

4.15 %

d.

14 %

Question 573

Question

MCQ▾

In the figure (not drawn to scale) , DAE, CBH and ACG are straight lines, and . Find x and y respectively.

Image Made by Some Lines Making Unknown Angles

Choices

Choice (4)Response

a.

b.

c.

d.

Question 574

Question

MCQ▾

Each side of an equilateral triangle measures 16 cm. Its area is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question 575

Question

MCQ▾

In the figure (not drawn to scale) , ABCD is a quadrilateral, BED and AEC are straight lines and AE = ED. Find x.

Image Made by a Quadrilateral ABCD in Which AE = ED

Choices

Choice (4)Response

a.

b.

c.

d.