NSTSE (National Science Talent Search Exam Unified Council) Class 8: Questions 840  847 of 2028
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Question number: 840
» Mathematics » Exponents and Powers
Question
Simplified form of
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 841
» Mathematics » Algebraic Expressions and Identities
Question
If and then is equal to:
Choices
Choice (4)  Response  

a.  7 

b.  3 

c.  4 

d.  5 

Question number: 842
» Mathematics » Direct and Inverse Proportions
Question
A rope makes 55 rounds of the circumference of a cylinder whose radius of the base is 10 cm. How many times can it go round a cylinder with radius 5 cm?
Choices
Choice (4)  Response  

a.  110 

b.  55 

c.  27.5 

d.  80 

Question number: 843
Question
If then the value of is:
Choices
Choice (4)  Response  

a.  36 

b.  18 

c.  54 

d.  63 

Question number: 844
» Mathematics » Comparing Quantities
Question
If SP of an article is of its CP then the profit in the transaction is:
Choices
Choice (4)  Response  

a.  15% 

b.  % 

c.  25% 

d.  % 

Question number: 845
Question
A man bought a rectangular plot of 243 m length and 27 m width. In exchange for this field he wanted to buy a square field of the same area. Then the side of the square field would be:
Choices
Choice (4)  Response  

a.  81 m 

b.  164 m 

c.  98 m 

d.  312 m 

Question number: 846
» Mathematics » Understanding Quadrilaterals
Question
In a parallelogram, if , then and are respectively:
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 847
» Mathematics » Playing with Numbers
Question
The number 22,204 is divisible by
Choices
Choice (4)  Response  

a.  13 

b.  11 

c.  9 

d.  7 
