IMO- Mathematics Olympiad Class 9: Questions 376 - 379 of 919

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Question number: 376

» Surface Area and Volumes

MCQ▾

Question

The area of a quadrilateral, one of whose diagonals is 50 cm long and the perpendiculars from the other two vertices are 14 cm and 21 cm respectively is ________

Choices

Choice (4) Response
a.

875cm2

b.

500cm2

c.

450cm2

d.

400cm2

Question number: 377

» Triangles and Circles

MCQ▾

Question

In given figure, MKL=65˚,KJL=30˚ Then KLM is ________

In the figure in angle MKL and KJL are respectively 65 and 30

In the Figure in Angle MKL and KJL Are Respectively 65 and 30

Given the figure in angle MKL and KJL are respectively 65 and 30then find the angle KLM

Choices

Choice (4) Response
a.

75°

b.

55°

c.

85°

d.

95°

Question number: 378

» Triangles and Circles

MCQ▾

Question

XYZ is an equilateral triangle of side 63cm . J, K and L are midpoints of PQ, RP and QR respectively. The area of triangle JKL is (incm2) ________

 XYZ is an equilateral triangle. J, K and L are midpoints

XYZ Is an Equilateral Triangle. J, K and L Are Midpoints

XYZ is an equilateral triangle. J, K and L are midpoints of PQ, RP and QR respectively find the area of triangle JKL

Choices

Choice (4) Response
a.

2734

b.

73

c.

2732

d.

273

Question number: 379

» Surface Area and Volumes

MCQ▾

Question

A rectangular park 60 m long and 40 m wide has two concrete crossroads running in the middle of the park and rest of the park has been used as a lawn. The area of the lawn is 2109 sq. m. What is the width of the road?

Choices

Choice (4) Response
a.

3 m

b.

6 m

c.

7 m

d.

2 m

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