Mathematics [NSTSE (National Science Talent Search Exam Unified Council) Class 8]: Questions 211  217 of 1201
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Question number: 211
Question
MCQ▾A, B and C are three shops selling TVs. The sales made by shop A is of sales made by shop C. The volume of sales by shop B is twice the volume made by shop A. Shop C sold 300 TVs. Which of the following bar charts correctly represents the sales of TVs by shops A, B and C?
Choices
Choice (4)  Response  

a. 
Question number: 212
Question
MCQ▾The least perfect square which is divisible by 2,4, 6 is:
Choices
Choice (4)  Response  

a.  24  
b.  28  
c.  16  
d.  36 
Question number: 213
Question
MCQ▾The factors of are:
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 214
Question
MCQ▾Which of the following is a Pythagorean triplet?
Choices
Choice (4)  Response  

a.  (6,7, 10)  
b.  (2,4, 5)  
c.  (7,24,25)  
d.  All of the above 
Question number: 215
Question
MCQ▾The radius of a sphere is 2.1 m. Its volume is:
Choices
Choice (4)  Response  

a.  38.808  
b.  38.808  
c.  38.808 cu m  
d.  38.808 cu cm 
Question number: 216
Question
MCQ▾x varies inversely as square of y. Given that for . The value of x for will be equal to:
Choices
Choice (4)  Response  

a.  3  
b. 
 
c. 
 
d. 

Question number: 217
Question
MCQ▾The frequency table shows the marks obtained by a group of students in a monthly test. Calculate the percentage of students who passed in the test if 40 is the passing mark.
Marks  No. of students 
0  19  3 
20  39  7 
40  59  21 
60  79  14 
80  99  5 
Choices
Choice (4)  Response  

a.  80%  
b.  70%  
c.  65%  
d.  75% 