IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 289 - 295 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 289

Edit

Question

MCQ▾

is a point, which belongs to the line________.

Choices

Choice (4)Response
a.
b.
c.
d.

Question 290

Edit

Question

MCQ▾

If the coordinate of the two points are P (4, -5) and Q (-2,3) then ________

Choices

Choice (4)Response
a.-2
b.-5
c.-3
d.-4

Question 291

Edit

Question

MCQ▾

The radii of two cones are in ration 3: 1, their volumes are equal. Find the ratio of their heights.

Choices

Choice (4)Response
a.
b.
c.
d.

Question 292

Edit

Question

MCQ▾

A solid consists of a circular cylinder with an exact fitting right circular cone placed on the top. The height of a the cone is h. If the total volume of the solid is three times the volume of the cone, then the height of the cylinder is ________

Choices

Choice (4)Response
a.
b.
c.
d.

Question 293

Edit

Question

MCQ▾

The area of rhombus is and one of its diagonals is 8 cm. Its perimeter is ________

Choices

Choice (4)Response
a.
b.
c.
d.

Question 294

Edit

Question

MCQ▾

Centroid of a triangle is the point of concurrency of its ________

Choices

Choice (4)Response
a.Triangle
b.Perpendicular bisectors
c.Medians
d.Angle

Question 295

Edit

Question

MCQ▾

216 plastic balls each of radius r are melted together to from one big sphere of radius R. then the ratio of surface area of the big sphere to that of a ball is ________

Choices

Choice (4)Response
a.9
b.36
c.
d.