IMO- Mathematics Olympiad Class 9: Questions 849 - 854 of 919

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 919 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

Question number: 849

» Polynomials

MCQ▾

Question

Factors of x3+13x2+32x+20

Choices

Choice (4) Response
a.

(x+1)(x212x+20)

b.

(x+1)(x2+12x+20)

c.

(x1)(x2+12x+20)

d.

(x1)(x212x+20)

Question number: 850

» Statistics and Probability

MCQ▾

Question

In a mathematics test given to 15 students, the following marks (out of 100) is recorded: 45, 56, 78, 54, 75, 34, 68, 98, 87, 99, 90, 76, 55, 77, 68, then mean, median and mode of this data are respectively ________

Choices

Choice (4) Response
a.

60.67, 75, 65

b.

70.67, 77, 68

c.

70.67, 75, 68

d.

55.26, 78, 65

Question number: 851

» Everyday Mathematics

MCQ▾

Question

A man purchased two clocks A and B at a total cost Rs. 650. He sells A at 20% profit and B at a loss of 25% and gets the same selling price for both the clocks. What are the purchasing prices of A and B respectively?

Choices

Choice (4) Response
a.

Rs. 250, Rs. 400

b.

Rs. 225, Rs. 425

c.

Rs. 300, Rs. 350

d.

Rs. 275, Rs. 375

Question number: 852

» Polynomials

MCQ▾

Question

The sum of the x-coordinates of the intersection of x2+y2=36 and x2y2=6 , is ________.

Choices

Choice (4) Response
a.

221

b.

0

c.

221

d.

215

Question number: 853

» Statistics and Probability

MCQ▾

Question

Average of 10 numbers is 12. What should be added as 11th number to make the average 13?

Choices

Choice (4) Response
a.

28

b.

25

c.

30

d.

23

Question number: 854

» Analytical Reasoning and Logical Reasoning

MCQ▾

Question

Mathematics is related to numbers in the same way as history is related to ________

Choices

Choice (4) Response
a.

Dates

b.

Events

c.

Wars

d.

People

Sign In