NSTSE (National Science Talent Search Exam Unified Council) Class 7: Questions 1210  1213 of 1732
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Question number: 1210
» Mathematics » Exponents and Powers
Question
The value of is
Choices
Choice (4)  Response  

a.  125  
b. 
 
c.  5  
d. 

Question number: 1211
» Mathematics » Lines and Angles
Question
In the adjoining figure, ABC is a triangle in which D and E are the mid points of AB and AC respectively. If DE = 2.4 cm then BC = ________.
Choices
Choice (4)  Response  

a.  4.8 cm  
b.  2.8 cm  
c.  6.8 cm  
d.  4.0 cm 
Question number: 1212
» Mathematics » Exponents and Powers
Question
Express 0.00075 in scientific notation.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  Question does not provide sufficient data or is vague 
Question number: 1213
» Mathematics » Comparing Quantities
Question
When the price of a pressure cooker was increased by 15%, the sale of pressure cooker decreased by 15%. What was the net effect on the sales?
Choices
Choice (4)  Response  

a.  No effect  
b.  15 % increase  
c.  2.25 % increase  
d.  2.25 % decrease 