IMO- Mathematics Olympiad Class 9: Questions 862 - 868 of 919

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Question number: 862

» Polynomials

MCQ▾

Question

st+ts=1 , then s3+t3 =

Choices

Choice (4) Response

a.

-1

b.

4

c.

0

d.

2

Question number: 863

» Introduction to Euclid's Geometry

MCQ▾

Question

A 150 metres long train crosses a man walking at the speed of 6 km/hr in the opposite direction in 6 seconds. The speed of the train in km/hr is ________

Choices

Choice (4) Response

a.

96

b.

84

c.

66

d.

106

Question number: 864

» Everyday Mathematics

MCQ▾

Question

Sujal bought ink pen at Rs. 10 each and y getting cards at Rs. 20 each. If the ink pen cost Rs. 30 more than the cards, the equation involving x and y are ________

Choices

Choice (4) Response

a.

3xy=2

b.

x2y=3

c.

2xy=3

d.

x3y=2

Passage

The temperature chart of a patient is given below:

{"chart":{"plotBackgroundColor":null,"plotShadow":true,"backgroundColor":"transparent","width":600},"title":{"text":"Time (in hours) VS Temperature(°F)"},"tooltip":{"pointFormat":"{series.name}: {point.y}"},"credits":{"enabled":false},"xAxis":{"type":"linear","title":{"text":"Time (in hours)"}},"yAxis":{"type":"linear","title":{"text":"Temperature(Fahrenheit)"}},"plotOptions":{"series":{"allowPointSelect":true,"cursor":"pointer"}},"legend":{"floating":false,"backgroundColor":"white","borderColor":"silver","borderWidth":1,"shadow":true,"align":"right"},"series":[{"type":"scatter","name":"Time (in hours) VS Temperature(°F)","data":[[9,100],[11,102],[13,100],[15,104],[17,99],[19,98],[21,100]],"colors":[{"linearGradient":{"x1":0,"y1":0,"x2":1,"y2":0},"stops":[[0,"#7cb5ec"],[1,"rgb(48,105,160)"]]},{"linearGradient":{"x1":0,"y1":0,"x2":1,"y2":0},"stops":[[0,"#434348"],[1,"rgb(0,0,0)"]]},{"linearGradient":{"x1":0,"y1":0,"x2":1,"y2":0},"stops":[[0,"#90ed7d"],[1,"rgb(68,161,49)"]]},{"linearGradient":{"x1":0,"y1":0,"x2":1,"y2":0},"stops":[[0,"#f7a35c"],[1,"rgb(171,87,16)"]]},{"linearGradient":{"x1":0,"y1":0,"x2":1,"y2":0},"stops":[[0,"#8085e9"],[1,"rgb(52,57,157)"]]},{"linearGradient":{"x1":0,"y1":0,"x2":1,"y2":0},"stops":[[0,"#f15c80"],[1,"rgb(165,16,52)"]]},{"linearGradient":{"x1":0,"y1":0,"x2":1,"y2":0},"stops":[[0,"#e4d354"],[1,"rgb(152,135,8)"]]},{"linearGradient":{"x1":0,"y1":0,"x2":1,"y2":0},"stops":[[0,"#2b908f"],[1,"rgb(0,68,67)"]]},{"linearGradient":{"x1":0,"y1":0,"x2":1,"y2":0},"stops":[[0,"#f45b5b"],[1,"rgb(168,15,15)"]]},{"linearGradient":{"x1":0,"y1":0,"x2":1,"y2":0},"stops":[[0,"#91e8e1"],[1,"rgb(69,156,149)"]]}],"dataLabels":{"enabled":true,"style":{"color":"black"},"connectorColor":"silver"}}]}
Created with Highcharts 4.2. 5Time (in hours) Temperature (Fahrenheit) Time (in hours) VS Temperature (°F) 1001021001049998100Time (in hours) VS Temperature (°F) 102012.51517.59698100102104106 Time (in hours) VS Temperature (°F) Time (in hours) VS Temperature (°F): 100

Question number: 865 (1 of 5 Based on Passage) Show Passage

» Statistics and Probability

MCQ▾

Question

The percentage increase in temperature between 11.00 hrs and 15.00 hrs is ________

Choices

Choice (4) Response

a.

8%

b.

2%

c.

5%

d.

4%

Question number: 866 (2 of 5 Based on Passage) Show Passage

» Statistics and Probability

MCQ▾

Question

The average temperature of the patient between 17.00 hrs, 19.00 hrs and 21.00 hrs is ________

Choices

Choice (4) Response

a.

100°F

b.

103°F

c.

101°F

d.

99°F

Question number: 867 (3 of 5 Based on Passage) Show Passage

» Statistics and Probability

MCQ▾

Question

The percentage decrease in temperature between 17.00 hrs and 19.00 hrs is ________

Choices

Choice (4) Response

a.

1.01%

b.

1.02%

c.

1.03%

d.

1.04%

Question number: 868 (4 of 5 Based on Passage) Show Passage

» Statistics and Probability

MCQ▾

Question

The percentage increase in temperature between 9.00 hrs and 15.00 hrs is ________

Choices

Choice (4) Response

a.

2%

b.

1%

c.

4%

d.

3%

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