Algebra (IMO- Mathematics Olympiad Class 6): Questions 18 - 23 of 81

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Question number: 18

» Algebra

MCQ▾

Question

Simplify: 2a[3b{a(2c3b)+4c3(ab2c)}] .

Choices

Choice (4) Response
a.

8c3b

b.

8c3b

c.

8c+3b

d.

8c+3b

Question number: 19

» Algebra

MCQ▾

Question

Surabhi bought packs of her business cards that contain 50 cards each. She distributed 30 cards.

X = Number of packs of business cards

Which expression shows the number of cards left with Surabhi?

Choices

Choice (4) Response
a.

50 x30

b.

103x

c.

30x50

d.

550x

Question number: 20

» Algebra

MCQ▾

Question

The equation for the statement; ‘half of a number added to 10 is 15’ is

Choices

Choice (4) Response
a.

x2=10+5

b.

x2+10=15

c.

x2=10+15

d.

x2+15=10

Question number: 21

» Algebra

MCQ▾

Question

Value of x in x4+12=4 is ________.

Choices

Choice (4) Response
a.

+ 28

b.

- 28

c.

+ 14

d.

- 14

Question number: 22

» Algebra

MCQ▾

Question

If a = b, then a+x= ________.

Choices

Choice (4) Response
a.

bx

b.

b÷x

c.

bx

d.

b+x

Question number: 23

» Algebra

MCQ▾

Question

In the given figure magnitude of angles shown are

Arc c Arc c: Semicircle through E and FArc d Arc d: Semicircle through G and HSegment f Segment f: Segment [A, B] Segment g Segment g: Segment [C, D] Point A A = (4.18, 2.68) Point A A = (4.18, 2.68) Point A A = (4.18, 2.68) Point B B = (10.42, 2.7) Point B B = (10.42, 2.7) Point B B = (10.42, 2.7) Point D D = (8.2, 5.66) Point D D = (8.2, 5.66) Point D D = (8.2, 5.66) 7x? text1 = “7x? “5x? text1_2 = “5x? “

Image Made by Two Lines Making Two Different Angles

Showing an image made by two lines making two angles, then find both angles

Choices

Choice (4) Response
a.

500,1300

b.

350,1450

c.

1350,450

d.

1050,750

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