IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 632 - 635 of 931

Access detailed explanations (illustrated with images and videos) to 931 questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. Unlimited Access, Unlimited Time, on Unlimited Devices!

View Sample Explanation or View Features.

Rs. 450.00 -OR-

How to register? Already Subscribed?

Question 632

Edit

Question

MCQ▾

If the mean of 10 observations is 20 and that of another 15 observations is 16, then the mean of 25 observations is ________

Choices

Choice (4)Response
a.18.2
b.17
c.18
d.17.6

Question 633

Edit

Question

MCQ▾

There are four pillars W, X, Y and Z of different heights. Three spiders A, B, C and D start to climb on these pillars simultaneously. In one chance A climbs on W 10 cm but slips down 2 cm. B climbs on X 15 cm but slips down 7 cm. C climbs on Y 14 cm but slips down 6 cm. D climbs on Z 17 cm but slips down 11 cm. if each requires 70 chances to reach the top of the pillar, what is the height of the shortest pillar?

Choices

Choice (4)Response
a.637 cm
b.431 cm
c.562 cm
d.573 cm

Question 634

Edit

Question

MCQ▾

The graph of is

Find the correct graph for the given equation

Find the Correct Graph for the Given Equation

Loading image

Choices

Choice (4)Response
a.I
b.IV
c.II
d.III

Question 635

Edit

Question

MCQ▾

In the matrix there are eight designs and one space is left blank as shown by a question mark. Which answer figures will figures will replace the question mark?

Given the matrix there are eight designs and 1 space is blank

Given the Matrix There Are Eight Designs and 1 Space is Blank

Loading image

Choices

Choice (4)Response
a.
Find the right choice in the related figure – Choice A
Loading image
b.
Find the right choice in the related figure – Choice B
Loading image
c.
Find the right choice in the related figure – Choice C
Loading image
d.
Find the right choice in the related figure – Choice D
Loading image