IMO- Mathematics Olympiad Class 9: Questions 548 - 553 of 919

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Question number: 548

» Everyday Mathematics

MCQ▾

Question

Ram is the brother of Shyam and Mahesh is father of Ram. Jagat is the brother of Priya and Priya is daughter of Shyam. Who is the uncle of Jagat?

Choices

Choice (4) Response
a.

Shyam

b.

Ram

c.

Mahesh

d. None of the above

Question number: 549

» Polynomials

MCQ▾

Question

The value of k for which (x+2) is a factor of (x+1)7+(3x+k)3 is ________.

Choices

Choice (4) Response
a.

7

b.

7

c.

1

d.

63(7/3)

Question number: 550

» Everyday Mathematics

MCQ▾

Question

P and Q can do a piece of work in 15 days and Q alone can do it in 30 days. The time taken by P alone to do the work is ________

Choices

Choice (4) Response
a.

35 days

b.

12 days

c.

40 days

d.

30 days

Question number: 551

» Analytical Reasoning and Logical Reasoning

MCQ▾

Question

Bhavesh started from his house towards North. After covering a distance of 8 km. he turned towards left and covered a distance of 6 km. what is the shortest distance now from his house?

Choices

Choice (4) Response
a.

15 km

b.

10 km

c.

16 km

d.

2 km

Question number: 552

» Statistics and Probability

MCQ▾

Question

The average of 15 numbers is calculated as 20. It is discovered later on that while calculating the average one number, namely 41 was wrongly read as 31. The correct average is________

Choices

Choice (4) Response
a.

20.6

b.

19.5

c.

13.5

d.

16.5

Question number: 553

» Everyday Mathematics

MCQ▾

Question

In Arun’s opinion, his weight is greater than 65 kg but less than 72 kg. His brother does not agree with Arun and he thinks that Arun’s weight is greater than 60 kg but less than 70 kg. His mother’s view is that his weight cannot be greater than 68 kg. If all of them are correct in their estimations, what is the average of different probable weights of Arun?

Choices

Choice (4) Response
a.

68 kg

b.

67 kg

c.

69 kg

d. Question does not provide sufficient data or is vague

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