Mathematics [NSTSE (National Science Talent Search Exam Unified Council) Class 7]: Questions 365  371 of 1128
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Question 365
Question
MCQ▾The orthocenter of a triangle is the point where
Choices
Choice (4)  Response  

a.  The right bisectors of the sides of the triangle meet  
b.  The bisectors of the angles of the triangle meet  
c.  The medians meet  
d.  The altitudes meet 
Question 366
Question
MCQ▾At 9 o’clock, the angle formed between the two hands of a clock is
Choices
Choice (4)  Response  

a.  Obtuse  
b.  Right  
c.  Acute  
d.  Question does not provide sufficient data or is vague 
Question 367
Question
MCQ▾The distance of the sum from the earth is km. In scientific notation the distance is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 368
Question
MCQ▾Which of the following alphabets has no line of symmetry?
Choices
Choice (4)  Response  

a.  K  
b.  R  
c.  U  
d.  W 
Question 369
Question
MCQ▾The area of a segment of a circle of radius 21 cm if the arc of the segment has a measure of is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  Question does not provide sufficient data or is vague 
Question 370
Question
MCQ▾The area of a sector of a circle of radius 12 cm cut off by an arc which is 21 cm long is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 371
Question
MCQ▾The mean of six numbers is 76. If one of the numbers is excluded the mean gets reduced by 6. The excluded number is
Choices
Choice (4)  Response  

a.  116  
b.  148  
c.  106  
d.  96 