IMO- Mathematics Olympiad (SOF) Class 9: Questions 623 - 628 of 919

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Question number: 623

» Coordinate Geometry

MCQ▾

Question

Give the equations of two lines passing through. How many more such lines are there?

Choices

Choice (4) Response

a.

Exactly three

b.

Infinitely many

c.

Only one

d.

Exactly Two

Question number: 624

» Statistics and Probability

MCQ▾

Question

The following observations have been arranged in the ascending order. If the median of the data 13,26,32,37, x + 2, x + 4,62,68,74,85 is 43, then the value of x is ________

Choices

Choice (4) Response

a.

44

b.

42

c.

40

d.

46

Question number: 625

» Statistics and Probability

MCQ▾

Question

The probability of guessing the correct answer to a certain test question is . If the probability of not guessing the correct answer to this question is , then x = ________

Choices

Choice (4) Response

a.

b.

2

c.

3

d.

Question number: 626

» Everyday Mathematics

MCQ▾

Question

Ten people are planning to share equally the cost of a rental bike. If one person withdraws from the arrangement and the others share equally the entire rental of the bike, then the share of each of the remaining persons is increased by ________ of the original share.

Choices

Choice (4) Response

a.

b.

c.

d.

7

Question number: 627

» Statistics and Probability

MCQ▾

Question

The average of 12 students is 15. The marks of a student who scored zero were wrongly taken as 18 and average was determined. The correct average marks is________

Choices

Choice (4) Response

a.

15

b.

12

c.

14.5

d.

13.5

Question number: 628

» Polynomials

MCQ▾

Question

Choices

Choice (4) Response

a.

b.

c.

d.

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