Mathematics [NSTSE (National Science Talent Search Exam Unified Council) Class 8]: Questions 578  588 of 1201
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Question number: 578
Question
MCQ▾The value of is:
Choices
Choice (4)  Response  

a.  6  
b.  4.26  
c.  9  
d.  None of the above 
Question number: 579
Question
MCQ▾The base of an isosceles right triangle is 26 cm. Its area is:
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 580
Question
MCQ▾If , then x = ________.
Choices
Choice (4)  Response  

a.  9  
b.  3  
c.  87  
d.  16 
Question number: 581
Question
MCQ▾= ________.
Choices
Choice (4)  Response  

a.  2  
b.  2  
c.  8  
d.  8 
Question number: 582
Question
MCQ▾is:
Choices
Choice (4)  Response  

a.  9  
b.  60  
c.  30  
d.  30 
Question number: 583
Question
MCQ▾If is one factor of and , then ________.
Choices
Choice (4)  Response  

a.  10  
b.  2  
c.  18  
d.  12 
Question number: 584
Question
MCQ▾In which of the following pairs of numbers it is true that their sum is 12 times their product?
Choices
Choice (4)  Response  

a.  1,  
b.  1,  
c.  1,  
d.  1,10 
Question number: 585
Question
MCQ▾The value of is:
Choices
Choice (4)  Response  

a. 
 
b.  7  
c. 
 
d.  None of the above 
Question number: 586
Question
MCQ▾Which of the following statements is true?
Choices
Choice (4)  Response  

a.  The diagonals of a rhombus are equal  
b.  The diagonals of a rectangle are perpendicular  
c.  Every square is a rhombus  
d.  All of the above 
Question number: 587
Question
MCQ▾The value of is:
Choices
Choice (4)  Response  

a.  169  
b.  196  
c.  225  
d.  729 
Question number: 588
Question
MCQ▾A cask containing 325 liters lost 4 % by leakage and evaporation. The numbers of liters left in the case were:
Choices
Choice (4)  Response  

a.  306  
b.  312  
c.  300  
d.  298 