Mathematics [NSTSE (National Science Talent Search Exam Unified Council) Class 9]: Questions 869  875 of 989
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Question 869
Question
MCQ▾The sides of a triangle are 12 cm, 16 cm and 20 cm. The altitude to shortest side is
Choices
Choice (4)  Response  

a.  28 cm  
b.  36 cm  
c.  32 cm  
d.  16 cm 
Question 870
Question
MCQ▾The largest sphere is cut off from a cube of side 6 cm. The volume of the sphere will be:
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  108 
Question 871
Question
MCQ▾Which of the following is a pure surd?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 872
Question
MCQ▾A cylindrical vessel of diameter 9 cm is partly filled with water. 200 lead balls are dropped in it. The raise in water level is 0.6 cm. The diameter of each ball is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 873
Question
MCQ▾The probability of getting a number greater than 3 or an odd number in a single throw of a fair die is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 874
Question
MCQ▾The top of a broken tree touches the ground at a distance of 40 m from its base. If the tree is broken at a height of 9 m from the ground, then the actual height of the tree is
Choices
Choice (4)  Response  

a.  90 m  
b.  81 m  
c.  49 m  
d.  50 m 
Question 875
Question
MCQ▾What is the percentage of least number in the greatest number if are arranged in ascending or descending order?
Choices
Choice (4)  Response  

a.  40%  
b. 
 
c.  35%  
d. 
