Everyday Mathematics (IMO- Mathematics Olympiad Class 8): Questions 34 - 39 of 100

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Question number: 34

» Everyday Mathematics

MCQ▾

Question

A rectangular sheet of paper 30 cm X 18cm can be transformed into a right circular cylinder in two ways - by rolling the paper along its length or by rolling it along its breadth. Find the ratio of the volume of two cylinders formed.

Choices

Choice (4) Response

a.

4: 3

b.

5: 3

c.

3: 2

d.

1: 5

Question number: 35

» Everyday Mathematics

MCQ▾

Question

A ladder is leaning against a house. The distance from the top of the ladder to the ground is 12 feet, and the distance from the foot of the ladder to the house is 4 feet. How tall is the ladder?

Choices

Choice (4) Response

a.

12.65 feet

b.

12 feet

c.

13 feet

d.

Question does not provide sufficient data or is vague

Question number: 36

» Everyday Mathematics

MCQ▾

Question

Roshni’s age after 15 years will be 5 times his age 5 years back. What is the present age of Roshni?

Choices

Choice (4) Response

a.

10 years

b.

30 years

c.

20 years

d.

25 years

Question number: 37

» Everyday Mathematics

MCQ▾

Question

The average age of 2 boys is 14 years and their ages are in proportion 2: 5, the age of youngest girl is________.

Choices

Choice (4) Response

a.

4 years

b.

9 years

c.

8 years

d.

10 years

Question number: 38

» Everyday Mathematics

MCQ▾

Question

If the cost price is 96 % of the selling price, then what is the profit percentage?

Choices

Choice (4) Response

a.

6.23%

b.

4.17%

c.

4.25%

d.

5%

Question number: 39

» Everyday Mathematics

MCQ▾

Question

A roofer’s 29 feet ladder is against the side of a house. It is 7 yards from the ground to the top of the house. How far away from the house must he place the foot of the ladder in order to have the top of the ladder meet the roof of the house?

Choices

Choice (4) Response

a.

10 feet

b.

15 feet

c.

20 feet

d.

25 feet

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