IMO- Mathematics Olympiad Class 6: Questions 431 - 436 of 1049

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Question number: 431

» Understanding Elementary Shapes

MCQ▾

Question

In a right angled triangle if an angle measures 350 , then the measure of other angle is

Choices

Choice (4) Response

a.

300

b.

650

c.

550

d.

450

Question number: 432

» Understanding Elementary Shapes

MCQ▾

Question

In an isosceles ABC , the bisectors of B and C meet at D. If BAC=900 , then BDC is equal to

Choices

Choice (4) Response

a.

1350

b.

1250

c.

1450

d.

450

Question number: 433

» Fractions

MCQ▾

Question

Find the wrong expression.

Choices

Choice (4) Response

a.

95>1

b.

65>85

c.

35<57

d.

32>12

Question number: 434

» Decimals

MCQ▾

Question

The fractional number corresponding to the following number “9 hundredths - 9 tenths + 9 tens - 9 ones” is ________.

Choices

Choice (4) Response

a.

8019100

b.

8990100

c.

8000100

d.

9089100

Question number: 435

» Fractions

MCQ▾

Question

Which number should come in place of ‘? ’?

59+69+?9=219

Choices

Choice (4) Response

a.

3

b.

8

c.

4

d.

9

Question number: 436

» Understanding Elementary Shapes

MCQ▾

Question

In figure, the side BC of ABC is produced to E, where ACE=1200 . If CD bisects ACB and BAC=600 , find DCB and DBC respectively.

Triangle poly1 Triangle poly1: Polygon A, B, CArc d Arc d: Semicircle through F and GArc e Arc e: Semicircle through J and KSegment c Segment c: Segment [A, B] of Triangle poly1Segment a Segment a: Segment [B, C] of Triangle poly1Segment b Segment b: Segment [C, A] of Triangle poly1Segment f Segment f: Segment [C, D] Segment g Segment g: Segment [C, E] Point A A = (5, 5) Point A A = (5, 5) Point A A = (5, 5) Point B B = (3.26, 2) Point B B = (3.26, 2) Point B B = (3.26, 2) Point C C = (7.44, 1.98) Point C C = (7.44, 1.98) Point C C = (7.44, 1.98) Point D Point D: Point on cPoint D Point D: Point on cPoint D Point D: Point on cPoint E E = (12, 2) Point E E = (12, 2) Point E E = (12, 2) 120? text1 = “120? “60? text1_1 = “60? “

Image of a Triangle ABC Having a Bisector CD and One Given Angle

Showing an image of a triangle ABC having a bisector CD then find angle DCB and DBC

Choices

Choice (4) Response

a.

600,900

b.

600,700

c.

300,600

d.

300,500

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