Mathematics [NSTSE (National Science Talent Search Exam Unified Council) Class 7]: Questions 977  984 of 1128
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Question 977
Question
MCQ▾The weight of a box is 30 kg. Ina hurry, it was weighed as 30.6 kg. Find the error percentage.
Choices
Choice (4)  Response  

a.  6%  
b.  3%  
c.  4%  
d.  2% 
Question 978
Question
MCQ▾When an arm of an angle is extended then the measure of angle
Choices
Choice (4)  Response  

a.  Triples  
b.  Remains the same  
c.  Doubles  
d.  None of the above 
Question 979
Question
MCQ▾Add ; ,
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 980
Question
MCQ▾The radius of a circle is 28 cm. Then the circumference of that circle is
Choices
Choice (4)  Response  

a.  88 cm  
b.  44 cm  
c.  176 cm  
d.  110 cm 
Question 981
Question
MCQ▾The given rational numbers are . If these numbers are arranged in the ascending order or descending order, then the middle number is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  None of the above 
Question 982
Question
MCQ▾If each entry of a data is increased by 6, then the arithmetic mean
Choices
Choice (4)  Response  

a.  Increases by 6  
b.  Remains the same  
c.  Decreases by 6  
d.  Question does not provide sufficient data or is vague 
Question 983
Question
MCQ▾The area of a circle is 462 , then the diameter is
Choices
Choice (4)  Response  

a.  28 cm  
b.  12.12 cm  
c.  24.24 cm  
d.  48 cm 
Question 984
Question
MCQ▾Which of the following may lie outside or on the triangle?
(I) Circumcenter
(II) Centroid
(III) Orthocenter
(IV) Incenter
Choices
Choice (4)  Response  

a.  (I) and (II)  
b.  (I), (II) and (III)  
c.  (I) and (III)  
d.  None of the above 