IMO Level 2- Mathematics Olympiad (SOF) Class 7: Questions 171 - 177 of 297

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Question 171

Appeared in Year: 2017

Question MCQ▾

31 In … the incentre of triangle coincides with its circumcenter, orthocenter and centroid.

Choices

Choice (4)Response

a.

A right-angled triangle

b.

An isosceles triangle

c.

An equilateral triangle

d.

A scalene triangle

Edit

Question 172

Appeared in Year: 2017

Question MCQ▾

Solve:

Choices

Choice (4)Response

a.

100

b.

128

c.

26

d.

78

Edit

Question 173

Appeared in Year: 2017

Question MCQ▾

If then find value of

Choices

Choice (4)Response

a.

9

b.

c.

d.

Edit

Question 174

Appeared in Year: 2017

Question MCQ▾

Solve:

Choices

Choice (4)Response

a.

2997

b.

5979

c.

5994

d.

5997

Edit

Question 175

Appeared in Year: 2017

Question MCQ▾

Find the value of in the given figures.

Image Shows the Triangle and Star

Choices

Choice (4)Response

a.

i-114°, ii-128°

b.

i-128°, ii-114°

c.

i-80°, ii- 66°

d.

i- 130°, ii-90°

Edit

Question 176

Appeared in Year: 2017

Question MCQ▾

In the given figure (not drawn to scale) , is a rhombus, is an equilateral triangle and is a trapezium with parallel to are straight lines. Find

The Figure Show the Straight Lines

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 177

Appeared in Year: 2017

Question MCQ▾

In the given figure (not drawn to scale) , PQRS is a square with If and then find

(i) The value of

(ii) Area of

(iii) and

Figure Show the PQRS

Choices

Choice (4)Response

a.

i-5, ii- 65.75cm2 , iii-80°, 20°

b.

i-5, ii- 65.75cm2 , iii-67.5°, 25.5°

c.

i-3, ii-56.25 cm2, iii-67.5°, 22.5°

d.

i-3, ii-56.25 cm2, iii- 60°, 30°

Edit