NSTSE (National Science Talent Search Exam Unified Council) Class 8: Questions 415  420 of 2028
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Question number: 415
» Mathematics » Visualizing Solid Shapes
Question
If and , then the value of E is (Use Euler’s formula):
Choices
Choice (4)  Response  

a.  6 

b.  9 

c.  11 

d.  3 

Question number: 416
» Mathematics » Exponents and Powers
Question
If then x: y = ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 417
» Mathematics » Direct and Inverse Proportions
Question
If the cost of 45 bags of paddy is Rs. 36,000, then cost of 32 bags of paddy is:
Choices
Choice (4)  Response  

a.  26,000 Rs. 

b.  Rs. 

c.  26,500 Rs. 

d.  25,600 Rs. 

Question number: 418
» Mathematics » Cube and Cube Roots
Question
The smallest number by which 3087 must be multiplied so that the product is a perfect cube is:
Choices
Choice (4)  Response  

a.  21 

b.  3 

c.  7 

d.  9 

Question number: 419
» Mathematics » Comparing Quantities
Question
Divide by .
Choices
Choice (4)  Response  

a.  7p 

b.  7p 

c.  7mnp 

d.  None of the above 

Question number: 420
Question
The pie chart diagram shows the number of contestants from four countries A, B, C and D taking part in a tennis tournament. Given that there are 16 contestants from country D, find the number of contestants from country C.
Choices
Choice (4)  Response  

a.  12 

b.  24 

c.  42 

d.  84 
