IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 435 - 440 of 1042

Access detailed explanations (illustrated with images and videos) to 1042 questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. Unlimited Access, Unlimited Time, on Unlimited Devices!

View Sample Explanation or View Features.

Rs. 450.00 -OR-

How to register? Already Subscribed?

Question 435

Edit

Question

MCQ▾

Two cubes have their volumes in the ratio 1: 8. Find the ratio of their surface areas.

Choices

Choice (4)Response
a.1: 4
b.7: 9
c.1: 9
d.5: 3

Question 436

Edit

Question

MCQ▾

A child walked 17 m to cross a rectangular field diagonally. If breadth of field is 8 m, its length is________.

Choices

Choice (4)Response
a.15 m
b.20 m
c.11 m
d.12 m

Question 437

Edit

Question

MCQ▾

Three cubes whose edges are 3 cm, 4 cm, and 5 cm respectively are melted without any loss of metal into a single cube. The edge of new cube is________.

Choices

Choice (4)Response
a.
b.
c.
d.

Question 438

Edit

Question

MCQ▾

If a wire is bent into the shape of a square, then the area of the square is 49 sq. cm. When the wire is bent into a semicircular shape, then the area of the semi-circle will be________.

Choices

Choice (4)Response
a.
b.
c.
d.

Question 439

Edit

Question

MCQ▾

A child walked 13 m to cross a rectangular field diagonally. If breadth of field is 5 m, its length is________.

Choices

Choice (4)Response
a.20 m
b.12 m
c.11 m
d.15 m

Question 440

Edit

Question

MCQ▾

The perimeter of a trapezoid is 80 cm and its non-parallel sides are each equal to 17 cm and its altitude is 15 cm. Its area is________.

Choices

Choice (4)Response
a.
b.
c.
d.