IMO- Mathematics Olympiad Class 8: Questions 321 - 326 of 1029

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Question number: 321

» Quadrilaterals and Practical Geometry

MCQ▾

Question

In a parallelogram ABCD, if P=35° , then the others angles are________.

Choices

Choice (4) Response

a.

35 ° , 145 ° , 145 °

b.

35 ° , 135 ° , 135 °

c.

45 ° , 115 ° , 115 °

d.

45 ° , 125 ° , 135 °

Question number: 322

» Quadrilaterals and Practical Geometry

MCQ▾

Question

The exterior angle of a regular polygon is one-fourth of its interior angle. How many sides has the polygon?

Choices

Choice (4) Response

a.

8

b.

10

c.

4

d.

12

Question number: 323

» Quadrilaterals and Practical Geometry

MCQ▾

Question

To construct a convex quadrilateral which of the following cases is not correct?

Choices

Choice (4) Response

a.

When the lengths of four sides and one diagonal are given

b.

When the lengths of three sides and the two diagonal given.

c.

When the lengths of two sides and one angle are given.

d.

When the lengths of two sides and two included angles are given.

Question number: 324

» Quadrilaterals and Practical Geometry

MCQ▾

Question

ABCD is a quadrilateral. If its diagonals are perpendicular bisectors of each other, then ABCD is________.

Choices

Choice (4) Response

a.

Square

b.

Parallelogram

c.

Rectangle

d.

Rhombus

Question number: 325

» Comparing Quantities

MCQ▾

Question

If a number x is 15 % less than another number y and y is 15 % more than 110, then x is equal to________.

Choices

Choice (4) Response

a.

107.525

b.

120

c.

109.725

d.

100.25

Question number: 326

» Comparing Quantities

MCQ▾

Question

The cost of a vehicle is Rs. 1, 20, 000. If its value depreciates at the rate of 10 % per annum then total depreciation after 2 years was________.

Choices

Choice (4) Response

a.

21100

b.

21000

c.

22000

d.

22800

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