IMO- Mathematics Olympiad Class 9: Questions 913 - 918 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: 913

» Polynomials

MCQ▾

Question

If xab=ybc=zca show that x+y+z = ________.

Choices

Choice (4) Response

a.

-1

b.

0

c.

2

d.

1

Question number: 914

» Linear Equations in Two Variables

MCQ▾

Question

If (2, 0) is a solution of the linear equation 2x+3y=k then the value of k is ________

Choices

Choice (4) Response

a.

5

b.

2

c.

4

d.

6

Question number: 915

» Statistics and Probability

MCQ▾

Question

The mean of 18 observations is 30. If the mean of the first 8 observations is 25 and that of the last 10 observations is 34, then the 8th observation is ________

Choices

Choice (4) Response

a.

68

b.

70

c.

66

d.

58

Question number: 916

» Analytical Reasoning and Logical Reasoning

MCQ▾

Question

If 15×20×60=20×60×15 and 21×42×63=42×63×21 then 19×17×41=?

Choices

Choice (4) Response

a.

17×41×19

b.

41×19×17

c.

19×41×17

d.

17×19×41

Question number: 917

» Introduction to Euclid's Geometry

MCQ▾

Question

According to Euclid, a Line has________

Choices

Choice (4) Response

a.

Length but no breadth and thickness

b.

Thickness but no breadth and length

c.

No length, no breadth and no thickness

d.

Breadth but no length and thickness

Question number: 918

» Everyday Mathematics

MCQ▾

Question

Mayur bought pencil at Rs. 3 each and y getting cards at 90 paise each. If the pencil cost Rs. 15 more than the cards, the equation involving x and y are ________

Choices

Choice (4) Response

a.

10x3y=50

b.

x44y=62

c.

22x18y=50

d.

13x14y=160

Sign In