IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 390 - 391 of 1059

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Question number: 390

» Decimals

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MCQ▾

Question

Rohit had Rs. 160.35. He bought chocolates for Rs. 26.90 and wafers for Rs. 42.15. Then the balance amount left with Rohit is

Choices

Choice (4) Response

a.

Rs. 92.00

b.

Rs. 91.30

c.

Rs. 93.00

d.

Rs. 91.15

Question number: 391

» Understanding Elementary Shapes

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MCQ▾

Question

In the given figure, points A, O, B are collinear and . Find the values of y and z as shown in figure (Figure is now drawn on scale).

Arc c Arc c: Semicircle through G and H Arc d Arc d: Semicircle through I and J Arc e Arc e: Semicircle through K and L Arc k Arc k: Semicircle through M and N Line f Line f: Line through A, B Line f Line f: Line through A, B Ray g Ray g: Ray through O, C Ray h Ray h: Ray through O, E Ray i Ray i: Ray through O, D Ray j Ray j: Ray through O, C Point A A = (2.72,3.06) Point A A = (2.72,3.06) Point A A = (2.72,3.06) Point B B = (10.36,3.06) Point B B = (10.36,3.06) Point B B = (10.36,3.06) Point O Point O: Point on f Point O Point O: Point on f Point O Point O: Point on f Point C C = (8.9,5.24) Point C C = (8.9,5.24) Point C C = (8.9,5.24) Point E E = (8.9,0.38) Point E E = (8.9,0.38) Point E E = (8.9,0.38) Point D D = (9.88,1.7) Point D D = (9.88,1.7) Point D D = (9.88,1.7) 55? text1 = “55? “ 18? text2 = “18? “ z text4 = “z” y text3 = “y”

Image of Some Lines Making Known-Unknown Angles

Showing the image of some lines making known-unknown angles then find angles y and z

Choices

Choice (4) Response

a.

b.

c.

d.