Mathematics [NSTSE (National Science Talent Search Exam Unified Council) Class 8]: Questions 117  124 of 1201
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Question number: 117
Question
MCQ▾In a two digit number, the tens digit is three times the units digit. When the number is decreased by 54, the digits are reversed. Then the number is:
Choices
Choice (4)  Response  

a.  93  
b.  82  
c.  64  
d.  39 
Question number: 118
Question
MCQ▾The solution of is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c.  15  
d. 

Question number: 119
Question
MCQ▾ABC and DEF are straight lines. Find the value of x
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 120
Question
MCQ▾One side of a rectangular field is 12 m and its diagonal is 37 m. The area of the field is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 121
Question
MCQ▾In the given diagram, find the value of x.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 122
Question
MCQ▾The diagonals of a parallelogram ABCD intersect at O. If and , then is:
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 123
Question
MCQ▾A rational number equivalent to is:
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  Question does not provide sufficient data or is vague 
Question number: 124
Question
MCQ▾In the figure given below, ABF is a straight line.
What is the value of x?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
