NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 178  185 of 1484
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Question number: 178
» Mathematics » Pair of Linear Equations in Two Variables
Question
Divide 34 into two parts such that fourth part of the first and twofifth part of the second are in the ratio 1: 2.
Choices
Choice (4)  Response  

a.  32.3,40.5  
b.  15.1,18.8  
c. 
 
d.  All of the above 
Question number: 179
» Mathematics » Pair of Linear Equations in Two Variables
Question
When simple interest is charged, a certain principle amounts to Rs. 7400 in 4 years and Rs. 9200 in 7 years. Then the rate of interest is
Choices
Choice (4)  Response  

a.  12%  
b.  8%  
c.  4%  
d.  10% 
Question number: 180
» Mathematics » Pair of Linear Equations in Two Variables
Question
The solution of the system of equations and is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 181
» Mathematics » Pair of Linear Equations in Two Variables
Question
Which of the following system of equations has unique solution?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  Question does not provide sufficient data or is vague 
Question number: 182
» Mathematics » Pair of Linear Equations in Two Variables
Question
The solution of the system of equations and is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 183
» Mathematics » Pair of Linear Equations in Two Variables
Question
The sum of salaries of A and B are Rs. 2100. A spends 80 % of his salary and B spends 70%. If their savings are now in the proportion of 4: 3, what is the salary of A?
Choices
Choice (4)  Response  

a.  1200  
b.  1400  
c.  1600  
d.  1800 
Question number: 184
Question
How much is more than ?
Choices
Choice (4)  Response  

a.  8ab  
b. 
 
c.  16ab  
d. 

Question number: 185
» Mathematics » Surface Area and Volumes
Question
The ratio of base radius and height of a cone is 5: 12. If the cost of smoothening the CSA at is 200.20 Rs. Then volume of liquid is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
