Mathematics [NSTSE (National Science Talent Search Exam Unified Council) Class 7]: Questions 72  83 of 1128
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Question 72
Question
MCQ▾
Choices
Choice (4)  Response  

a.  300  
b. 
 
c.  1  
d.  0 
Question 73
Question
MCQ▾The ratio of number of girls to boys in a class is 1: 18. If 42 more boys join, the ratio becomes 1: 20. The number of girls in the class is
Choices
Choice (4)  Response  

a.  19  
b.  28  
c.  15  
d.  21 
Question 74
Question
MCQ▾.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 75
Question
MCQ▾The solution of is
Choices
Choice (4)  Response  

a. 
 
b.  1  
c. 
 
d. 

Question 76
Question
MCQ▾Symbol for proportion is
Choices
Choice (4)  Response  

a.  : :  
b.  =  
c. 
 
d.  : 
Question 77
Question
MCQ▾The ratio of Rs. 5 and 125 paise is
Choices
Choice (4)  Response  

a.  2: 1  
b.  1: 4  
c.  4: 1  
d.  1: 2 
Question 78
Question
MCQ▾The equivalent fraction of having the numerator 60 is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 79
Question
MCQ▾The difference between and is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 80
Question
MCQ▾Difference of 46 and 36.012 is
Choices
Choice (4)  Response  

a.  9.998  
b.  9.988  
c.  8.889  
d.  8.989 
Question 81
Question
MCQ▾18: 6: : x: 1 value of x is
Choices
Choice (4)  Response  

a.  3  
b.  7  
c. 
 
d.  1 
Question 82
Question
MCQ▾The fractional number for 2 out of 5 of the fruits are bananas as ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 83
Question
MCQ▾The condition for two ratios to be equal is
Choices
Choice (4)  Response  

a.  Product of means is equal to antecedents  
b.  Product of means is equal to product of extremes  
c.  Product of extremes is equal to consequent  
d.  Antecedents are equal to consequent 