IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 810 - 817 of 1022

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Question 810

Question

MCQ▾

The price of milk decreases by 20 % . If a housewife wants to spend the same amount of money, how much % excess milk can she get?

Choices

Choice (4)Response

a.

20 %

b.

25 %

c.

50 %

d.

Question 811

Question

MCQ▾

The ratio of the radii of two hula-hoops is 2: 5. What is the ratio of their area?

Choices

Choice (4)Response

a.

25: 4

b.

2: 5

c.

4: 25

d.

3: 2

Question 812

Question

MCQ▾

The radius of the given circle is 7 cm, then the area of the shaded portion is ________.

A Circle Made by 7 Cm Radius

Choices

Choice (4)Response

a.

b.

c.

d.

Question 813

Question

MCQ▾

The quadrilateral which has both line and rotational symmetry of order more than 1 is ________.

Choices

Choice (4)Response

a.

Rhombus

b.

Square

c.

Parallelogram

d.

Rectangle

Question 814

Question

MCQ▾

The height of an isosceles triangle is cm long and its equivalent sides are 10 cm long. Its area is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question 815

Question

MCQ▾

If and , then the value of is ________.

Choices

Choice (4)Response

a.

1534

b.

1781

c.

1625

d.

1624

Question 816

Question

MCQ▾

‘Better’ is related to ‘worse’ as ‘complicated’ is related to ________.

Choices

Choice (4)Response

a.

Durable

b.

Hard

c.

Easy

d.

Tricky

Question 817

Question

MCQ▾

A well of diameter 80 cm has a stone wall around it. If the length of the outer edge of the wall is 440 cm, then the width of the wall is ________.

Choices

Choice (4)Response

a.

20 cm

b.

30 cm

c.

60 cm

d.

50 cm