Surface Area and Volumes (IMO- Mathematics Olympiad Class 9): Questions 21 - 25 of 104

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Question number: 21

» Surface Area and Volumes

MCQ▾

Question

The area of a quadrilateral ABCD, in which ABD=90˚ , BCD is an equilateral triangles of side 24 cm and AD=26cm is________.

Choices

Choice (4) Response

a.

469.41cm2

b.

249.41cm2

c.

120cm2

d.

369.41cm2

Question number: 22

» Surface Area and Volumes

MCQ▾

Question

The parallel sides of a trapezium are 60 cm and 77 cm and non-parallel sides are 26 cm and 26 cm. The approximate area of trapezium is ________

Choices

Choice (4) Response

a.

1440cm2

b.

204cm2

c.

1600cm2

d.

1683cm2

Question number: 23

» 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: 24

» 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

Question number: 25

» Surface Area and Volumes

MCQ▾

Question

The number of spherical balls each 4 cm in diameter be made out of a rectangular solid 10cm×16cm×22cm is ________

Choices

Choice (4) Response

a.

107

b.

109

c.

102

d.

105

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