IMO- Mathematics Olympiad Class 9: Questions 277 - 281 of 919

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Question number: 277

» Surface Area and Volumes

MCQ▾

Question

In the given figure, the area of shaded portion is ________

Given the PQS and PQR is a triangle

Given the PQS and PQR Is a Triangle

Given the PQS and PQR is a triangle and also define the PR = 52 cm, QR = 48 cm, QS = 16 cm and PS = 12 cm find the shaded area region

Choices

Choice (4) Response
a.

480cm2

b.

384cm2

c.

380cm2

d.

98cm2

Question number: 278

» Triangles and Circles

MCQ▾

Question

In triangle HKM, the altitude from H to KM meets KM at J, and the altitude from K to HM meets HJ at S. if HJ=12cm , KJ=5cm and JM=6cm , if HJKJ=HSSJ then the length of SJ is ________

Choices

Choice (4) Response
a.

103cm

b.

132cm

c.

103cm

d.

10cm

Question number: 279

» Coordinate Geometry

MCQ▾

Question

On plotting the points A (3, 6), B (9, 6), C (5, 8), D (11, 8), E (11, 3), F (9, 1), G (3, 1) and joining AB, AC, BD, CD, DE, BF, AG, EF, GF Which of the following figure is obtained?

Choices

Choice (4) Response
a.

Teardrop

b.

Can

c.

Cube

d.

Chord

Question number: 280

» Coordinate Geometry

MCQ▾

Question

If the coordinate of the two points are A (-2, 6) and B (-4, 5) then (abscissa of A) - (abscissa of B) is ________

Choices

Choice (4) Response
a.

1

b.

2

c.

-1

d.

-2

Question number: 281

» Surface Area and Volumes

MCQ▾

Question

The ratio between the length and the breadth of a rectangular park is 6:9 . If a man cycling along the boundary of the park at the speed of 15 km/hr completes one round in 12 minutes, then the area of the park is________

Choices

Choice (4) Response
a.

427800m2

b.

465800m2

c.

420000m2

d.

754800m2

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