IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 890 - 897 of 1022

Access detailed explanations (illustrated with images and videos) to 1022 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 450.00 or

How to register?

Question number: 890

» Data Handling

Edit
MCQ▾

Question

The mean of 5 numbers is 20. If one number is excluded, mean of the remaining numbers becomes 23, and then the excluded number is ________.

Choices

Choice (4) Response

a.

100

b.

4

c.

8

d.

92

Passage

Read the following graph of animals in a Jungle and answer the questions given below:

{"chart":{"plotBackgroundColor":null,"plotShadow":true,"backgroundColor":"transparent","width":600},"title":{"text":"Animals vs. Their numbers"},"tooltip":{"pointFormat":"{series.name}: {point.y}"},"credits":{"enabled":false},"xAxis":{"categories":["Elephant","Zebra","Lion","Tiger","Rabbit"],"title":{"text":"Animals"}},"yAxis":{"type":"linear","title":{"text":"Number of animals"}},"plotOptions":{"series":{"allowPointSelect":true,"cursor":"pointer"}},"legend":{"floating":false,"backgroundColor":"white","borderColor":"silver","borderWidth":1,"shadow":true,"align":"right"},"series":[{"type":"column","name":"Animals vs. Their numbers","data":[60,45,25,30,55],"colors":[{"linearGradient":{"x1":0,"y1":0,"x2":0,"y2":1},"stops":[[0,"#91e8e1"],[1,"rgb(69,156,149)"]]},{"linearGradient":{"x1":0,"y1":0,"x2":0,"y2":1},"stops":[[0,"#7cb5ec"],[1,"rgb(48,105,160)"]]},{"linearGradient":{"x1":0,"y1":0,"x2":0,"y2":1},"stops":[[0,"#434348"],[1,"rgb(0,0,0)"]]},{"linearGradient":{"x1":0,"y1":0,"x2":0,"y2":1},"stops":[[0,"#90ed7d"],[1,"rgb(68,161,49)"]]},{"linearGradient":{"x1":0,"y1":0,"x2":0,"y2":1},"stops":[[0,"#f7a35c"],[1,"rgb(171,87,16)"]]},{"linearGradient":{"x1":0,"y1":0,"x2":0,"y2":1},"stops":[[0,"#8085e9"],[1,"rgb(52,57,157)"]]},{"linearGradient":{"x1":0,"y1":0,"x2":0,"y2":1},"stops":[[0,"#f15c80"],[1,"rgb(165,16,52)"]]},{"linearGradient":{"x1":0,"y1":0,"x2":0,"y2":1},"stops":[[0,"#e4d354"],[1,"rgb(152,135,8)"]]},{"linearGradient":{"x1":0,"y1":0,"x2":0,"y2":1},"stops":[[0,"#2b908f"],[1,"rgb(0,68,67)"]]},{"linearGradient":{"x1":0,"y1":0,"x2":0,"y2":1},"stops":[[0,"#f45b5b"],[1,"rgb(168,15,15)"]]}],"dataLabels":{"enabled":true,"style":{"color":"black"},"connectorColor":"silver"}}]}
Created with Highcharts 5.0. 2AnimalsNumber of animalsAnimals vs. Their numbers6045253055Animals vs. Their numbersElephantZebraLionTigerRabbit020406080ElephantAnimals vs. Their numbers: 60

Question number: 891 (1 of 3 Based on Passage) Show Passage

» Data Handling

Edit
MCQ▾

Question

Which animals are more in the Jungle?

Choices

Choice (4) Response

a.

Zebra

b.

Rabbit

c.

Elephants

d.

Lion

Question number: 892 (2 of 3 Based on Passage) Show Passage

» Data Handling

Edit
MCQ▾

Question

What is the percentage of total number of Tiger and Lion in the Jungle?

Choices

Choice (4) Response

a.

25.58%

b.

55%

c.

28.65%

d.

20.45%

Question number: 893 (3 of 3 Based on Passage) Show Passage

» Data Handling

Edit
MCQ▾

Question

What is the average number of animals in the Jungle?

Choices

Choice (4) Response

a.

45

b.

47

c.

60

d.

43

Question number: 894

» Symmetry and Visualizing Solid Shapes

Edit
MCQ▾

Question

Which letter of the English alphabet has reflection symmetry about both horizontal and vertical mirrors?

Choices

Choice (4) Response

a.

Q

b.

I

c.

M

d.

P

Question number: 895

» Algebraic Expressions

Edit
MCQ▾

Question

If , then the value of equals ________.

Choices

Choice (4) Response

a.

b.

2

c.

d.

1

Question number: 896

» Logical and Analytical Reasoning

Edit
MCQ▾

Question

Mary wrote a sequence using the following steps:

She chose (-10) as the first term.

Each term after the first was 4 less than the immediately preceding term.

What are the first five terms in Mary’s sequence?

Choices

Choice (4) Response

a.

-10, -14, -18, -22, -26

b.

-10, -6, -2,2, 6

c.

-10, -14, -18, -20, -24

d.

-10, -6, -2,0, 4

Question number: 897

» Logical and Analytical Reasoning

Edit
MCQ▾

Question

If 4th Jan 2008 falls on Friday, what day of week will fall on 4th Jan 2009?

Choices

Choice (4) Response

a.

Sunday

b.

Wednesday

c.

Friday

d.

Monday