NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 759 - 764 of 2028

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Question number: 759

» Mathematics » Mensuration

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Question

The adjacent sides of a parallelogram are 9 cm and 14 cm. The diagonal joining the ends of these sides is 17 cm. Its area is:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 760

» Mathematics » Direct and Inverse Proportions

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Question

A man working for 8.5 hours a day takes 6 days to complete a project. How many hours a day must he work to complete it in 3 days?

Choices

Choice (4) Response

a.

17 hours

b.

4.25 hours

c.

10 hours

d.

15 hours

Question number: 761

» Mathematics » Playing with Numbers

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Question

A number is always divisible by 60 if:

Choices

Choice (4) Response

a.

It is divisible by both 2 and 30

b.

It is divisible by both 4 and 15

c.

It is divisible by both 5 and 12

d.

All a. , b. and c. are correct

Question number: 762

» Mathematics » Cube and Cube Roots

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Question

The smallest number by which 2000 must be divided so that the quotient is a perfect cube is:

Choices

Choice (4) Response

a.

2

b.

5

c.

10

d.

3

Question number: 763

» Mathematics » Factorization

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Question

The factors of are:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 764

» Mathematics » Introduction to Graphs

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Question

The line graph shows the number of road accidents over the first four months of a certain year. Which of the following statements is false?

{"chart":{"plotBackgroundColor":null,"plotShadow":true,"backgroundColor":"transparent","width":600},"title":{"text":"Months Vs. Number of road accidents"},"tooltip":{"pointFormat":"{series.name}: {point.y}"},"credits":{"enabled":false},"xAxis":{"type":"category","categories":["January","February","March","April"],"title":{"text":"Months"}},"yAxis":{"type":"linear","title":{"text":"Number of road accidents"}},"plotOptions":{"series":{"allowPointSelect":true,"cursor":"pointer"}},"legend":{"floating":false,"backgroundColor":"white","borderColor":"silver","borderWidth":1,"shadow":true,"align":"right"},"series":[{"type":"line","name":"Number of road accidents","data":[60,30,70,40],"colors":[{"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)"]]},{"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)"]]}],"dataLabels":{"enabled":true,"style":{"color":"black"},"connectorColor":"silver"}}]}
Created with Highcharts 5.0. 7MonthsNumber of road accidentsMonths Vs. Number of road accidents6060303070704040Number of road accidentsJanuaryFebruaryMarchApril20304050607080JanuaryNumber of road accidents: 60

Choices

Choice (4) Response

a.

The number of accidents is the highest in March

b.

The number of accidents fell by 50 % in February compared to the number of accidents in January

c.

The total number of accidents over the four months is 200.

d.

The number of accidents increased by 4 times in March as compared to the number in February

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