IMO Level 2- Mathematics Olympiad (SOF) Class 8: Questions 251 - 256 of 315

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Question 251

Appeared in Year: 2018

Question

MCQ▾

The length of a room is half more than its breadth. The cost of carpeting the room at ₹ 3.25 per is ₹ . 175.50 and the cost of papering the walls at ₹ 1.40 per is ₹ 240.80. If door and 2 windows occupy 8 , then find the dimension of the room.

Choices

Choice (4)Response

a.

8 m, 6 m, 7 m

b.

9 m, 8 m, 6 m

c.

9 m, 6 m, 6 m

d.

9 m, 7 m, 6 m

Question 252

Appeared in Year: 2017

Question

MCQ▾

What must be subtracted from to get ?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 253

Question

MCQ▾

The value of is:

Choices

Choice (4)Response

a.

10

b.

c.

d.

0.1

Question 254

Appeared in Year: 2017

Question

MCQ▾

If the given figure and are the centre of the bigger circle of radius 3 cm and the smaller circle of radius 1.5 cm respectively and is the centre of the semi-circle of radius 1 cm, all lying on diameter AB. Find the area of shaded region.

Bigger Circle

Choices

Choice (4)Response

a.

b.

c.

d.

Question 255

Appeared in Year: 2018

Question

MCQ▾

Arrange the following in ascending order:

Choices

Choice (4)Response

a.

b.

,

c.

,

d.

Question 256

Appeared in Year: 2018

Question

MCQ▾

A, B and C completed a piece of work costing ₹ 1800. A worked for 6 days, B for 4 days and C for 9 days. If their daily wages are in the ratio 5: 6: 4, then how much amount will be received by A?

Choices

Choice (4)Response

a.

₹ 540

b.

₹ 900

c.

₹ 600

d.

₹ 800