NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 137  143 of 1484
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Question number: 137
» Mathematics » Pair of Linear Equations in Two Variables
Question
The product of two numbers is 1296 and their HCF is 12. How many pairs of such numbers can be find?
Choices
Choice (4)  Response  

a.  2 

b.  3 

c.  4 

d.  5 

Question number: 138
» Mathematics » Pair of Linear Equations in Two Variables
Question
The solution of the system of the equationsand is
Choices
Choice (4)  Response  

a. 


b. 


c.  All of the above 

d.  Question does not provide sufficient data or is vague 

Question number: 139
» Mathematics » Pair of Linear Equations in Two Variables
Question
If
Choices
Choice (4)  Response  

a.  2 

b.   3 

c.  3 

d.  0 

Question number: 140
» Mathematics » Pair of Linear Equations in Two Variables
Question
For what value of k, the system of equations has infinitely many solutions.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 141
» Mathematics » Pair of Linear Equations in Two Variables
Question
The income of P and Q are in the ratio 3: 2 and expenses are in the ratio 5: 3. If both save Rs. 200, what is the income of P?
Choices
Choice (4)  Response  

a.  1200 

b.  700 

c.  1400 

d.  1000 

Question number: 142
» Mathematics » Pair of Linear Equations in Two Variables
Question
The sum of salaries of A and B are Rs. 6800. A spends 60 % of his salary and B spends 50%. If their savings are now in the proportion of 1: 2, what is the salary of B?
Choices
Choice (4)  Response  

a.  4560 

b.  3456 

c.  1250 

d.  2550 

Question number: 143
» Mathematics » Pair of Linear Equations in Two Variables
Question
For what value of k, the system of equations has infinitely many solutions.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

