IMO- Mathematics Olympiad Class 8: Questions 722 - 729 of 1029

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Question number: 722

» Playing With Numbers

MCQ▾

Question

The number which is divisible by 5 is________.

Choices

Choice (4)		Response
a.	12345
b.	24675
c.	21300
d.	All a. , b. and c. are correct

Question number: 723

» Data Handling

MCQ▾

Question

lies on________.

Choices

Choice (4)		Response
a.	Positive y axis
b.	Positive x axis
c.	Negative y axis
d.	Negative x axis

Question number: 724

» Data Handling

MCQ▾

Question

The number which is exactly divisible by 99 is________.

Choices

Choice (4)		Response
a.	33210
b.	25176
c.	8217
d.	All of the above

Question number: 725

» Playing With Numbers

MCQ▾

Question

Find the least value of x for which 7x5462 is divisible by 9.

Choices

Choice (4)		Response
a.	5
b.	3
c.	2
d.	4

Question number: 726

» Playing With Numbers

MCQ▾

Question

When a certain number is multiplied by 13, the product consists entirely of fives. The smallest such number is________.

Choices

Choice (4)		Response
a.	4273
b.	4271
c.	4275
d.	4256

Question number: 727

» Playing With Numbers

MCQ▾

Question

If is divided by 5 leaves a remainder of 4, then one’s digit of must be________.

Choices

Choice (4)		Response
a.	Either 9 or 4
b.	Either 1 or 4
c.	Either 5 or 4
d.	All of the above

Question number: 728

» Playing With Numbers

MCQ▾

Question

If the 3-digit number 14x is divisible by 9, then the value of x is________.

Choices

Choice (4)		Response
a.	2
b.	5
c.	3
d.	4

Passage

Adjoing pie chart gives the expenditure (in percentage) on various items and saving of a family during a month.

Draw a pie chart below to show this data. Show your scale on the vertical axis and label the bars.

{"chart":{"plotBackgroundColor":null,"plotShadow":true,"backgroundColor":"transparent","width":600},"title":{"text":"Expenditure & saving during a month vs. percentage"},"tooltip":{"pointFormat":"{series.name}: {point.y}"},"credits":{"enabled":false},"xAxis":{},"yAxis":{"stackLabels":{"enabled":true,"style":{"fontWeight":"bold","color":"gray"}}},"plotOptions":{"series":{"allowPointSelect":true,"cursor":"pointer"}},"legend":{"floating":true,"backgroundColor":"white","borderColor":"silver","borderWidth":1,"shadow":true},"series":[{"type":"pie","name":" Expenditure & saving during a month vs. Percentage","data":[["Education for children (15)",15],["food (25)",25],["clothes (10)",10],["saving (15)",15],["other (20)",20],["Transport (5)",5],["House Rent (10)",10]],"colors":[{"radialGradient":{"cx":0.5,"cy":0.3,"r":0.7,"id":"highcharts-128"},"stops":[[0,"#f45b5b"],[1,"rgb(168,15,15)"]]},{"radialGradient":{"cx":0.5,"cy":0.3,"r":0.7,"id":"highcharts-129"},"stops":[[0,"#91e8e1"],[1,"rgb(69,156,149)"]]},{"radialGradient":{"cx":0.5,"cy":0.3,"r":0.7,"id":"highcharts-130"},"stops":[[0,"#7cb5ec"],[1,"rgb(48,105,160)"]]},{"radialGradient":{"cx":0.5,"cy":0.3,"r":0.7,"id":"highcharts-131"},"stops":[[0,"#434348"],[1,"rgb(0,0,0)"]]},{"radialGradient":{"cx":0.5,"cy":0.3,"r":0.7,"id":"highcharts-132"},"stops":[[0,"#90ed7d"],[1,"rgb(68,161,49)"]]},{"radialGradient":{"cx":0.5,"cy":0.3,"r":0.7,"id":"highcharts-133"},"stops":[[0,"#f7a35c"],[1,"rgb(171,87,16)"]]},{"radialGradient":{"cx":0.5,"cy":0.3,"r":0.7,"id":"highcharts-134"},"stops":[[0,"#8085e9"],[1,"rgb(52,57,157)"]]},{"radialGradient":{"cx":0.5,"cy":0.3,"r":0.7},"stops":[[0,"#f15c80"],[1,"rgb(165,16,52)"]]},{"radialGradient":{"cx":0.5,"cy":0.3,"r":0.7},"stops":[[0,"#e4d354"],[1,"rgb(152,135,8)"]]},{"radialGradient":{"cx":0.5,"cy":0.3,"r":0.7},"stops":[[0,"#2b908f"],[1,"rgb(0,68,67)"]]}]}]}

Question number: 729 (1 of 9 Based on Passage) Show Passage

» Data Handling

MCQ▾

Question

The item on which expenditure is more 10 % to the total savings of the family, is________.

Choices

Choice (4)		Response
a.	Education for children
b.	Food
c.	Transport
d.	Question does not provide sufficient data or is vague