Mensuration (IMO Mathematics Olympiad Class 8): Questions 13  17 of 61
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1029 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 450.00 or
Question number: 13
» Mensuration
Question
The radii of the bases of two cylinders are in the ratio of 3: 4 respectively and their heights are in the ratio 4: 5 respectively, find the ratio of their volumes.
Choices
Choice (4)  Response  

a.  20: 3  
b.  20: 9  
c.  9: 20  
d.  3: 20 
Question number: 14
» Mensuration
Question
A rectangle field has its length and breadth in the ratio 2: 3. Its area is 3.80 hectares. The cost of fencing it at Rs. 2 per meter is________.
Choices
Choice (4)  Response  

a.  Rs 1000  
b.  Rs 1600  
c.  Rs 1100  
d.  Rs 1500 
Question number: 15
» Mensuration
Question
ABC is a right angled triangle with . AH is drawn perpendicular to BC where H lies on BC. If AB = 40 cm and AC = 60 cm, then BH = ________.
Choices
Choice (4)  Response  

a.  25  
b.  50  
c.  30  
d.  40 
Question number: 16
» Mensuration
Question
What is the ratio of the perimeter of the shaded region to the circumference of the circle?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 17
» Mensuration
Question
The radius of the cylinder whose lateral surface area is 610 and height 6 cm, is________.
Choices
Choice (4)  Response  

a.  11 cm  
b.  12 cm  
c.  14 cm  
d.  10 cm 