IMO- Mathematics Olympiad Class 9: Questions 313 - 316 of 919

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Question number: 313

» Triangles and Circles

MCQ▾

Question

In the given figure, PQ>PR and QS, RS are the bisectors of Q and R , then ________

Given the triangle PQR and 2 bisectors

Given the Triangle PQR and 2 Bisectors

Given the triangle PQR and QS, RS are the bisectors of Q and R

Choices

Choice (4) Response

a.

SQ=SR

b.

SQ>SR

c.

SQ=12SR

d.

SQ<SR

Question number: 314

» Surface Area and Volumes

MCQ▾

Question

A bus stop is barricaded from the remaining part of the road, by using 75 hollow cones made of recycled cardboard. Each cone has a base diameter of 60 cm and height 1 m. If the outer side of each of the cones is to be painted and the cost of painting is Rs. 17 per m2, what will be the cost of painting all these cones? (Use π=3.14 and take 1.03=1.02 )

Choices

Choice (4) Response

a.

Rs. 1645

b.

Rs. 1742

c.

Rs. 1224

d.

Rs. 1586

Question number: 315

» Surface Area and Volumes

MCQ▾

Question

The volume of the largest circular cone that can be cut of a cube whose edge is 8 cm is ________

Choices

Choice (4) Response

a.

134.09cm3

b.

132.09cm3

c.

131.09cm3

d.

133.09cm3

Question number: 316

» Surface Area and Volumes

MCQ▾

Question

A circular park of 80 metre diameter has a circular path just inside the boundary of width 8 metre. The area of path is ________

Choices

Choice (4) Response

a.

676πm2

b.

476πm2

c.

376πm2

d.

576πm2

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