NSTSE (National Science Talent Search Exam Unified Council) Class 9: Questions 770  775 of 2000
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Question number: 770
» Mathematics » Surface Areas & Volumes
Question
A vessel is in conical shape. If its volume is 22.638 liters and height is 49 cm, the cost of repairing its CSA at Rs. 6/sq m is
Choices
Choice (4)  Response  

a.  6.24 

b.  2.11 

c.  4.22 

d.  1.21 

Question number: 771
» Mathematics » Surface Areas & Volumes
Question
A cone of radius 40 cm is divided into two parts by drawing a plane through the midpoints of its axis, parallel to its base. The ratio of volumes of the two parts formed is ________.
Choices
Choice (4)  Response  

a.  14: 1 

b.  1: 20 

c.  10: 1 

d.  1: 7 

Question number: 772
Question
In , if and , then =
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 773
» Mathematics » Surface Areas & Volumes
Question
A piece of metal pipe is 154 cm long with inside diameter of the cross section as 12 cm. If the outer diameter is 18 cm and the metal weighs the weight of pipe is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 774
» Biology » Fundamentals Unit of Life
Question
Polytene chromosome is an example of
Choices
Choice (4)  Response  

a.  Giant chromosome 

b.  Smallest chromosome 

c.  Metacentric chromosome 

d.  Acrocentric chromosome 

Question number: 775
Question
The probability that a vowel selected at random in English language is an ‘e’ is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  Question does not provide sufficient data or is vague 
