NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 181  187 of 1484
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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. 


Question number: 186
Question
Which of the following expression is a rational expression?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 187
Question
If P (x) = , Q (x) = and their HCF is then LCM of P (x) and Q (x) is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  Question does not provide sufficient data or is vague 
