Mathematics [NSTSE (National Science Talent Search Exam Unified Council) Class 9]: Questions 638  639 of 989
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Question 638
Mathematics
Question
MCQ▾In the following figure if PQ = PR then find .
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 639
Mathematics
Question
MCQ▾The sum of the deviations of a set of values measured from 40 is 15 and the sum of deviations of the values from 30 is 65. The mean is
Choices
Choice (4)  Response  

a.  70.25  
b. 
 
c. 
 
d.  95 