NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 147  155 of 1484
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Question number: 147
» Mathematics » Pair of Linear Equations in Two Variables
Question
A toy train crosses 210 m and 122m long tunnels in 25 and 17 seconds respectively. The length of the train is.
Choices
Choice (4)  Response  

a.  332m  
b.  88m  
c.  65m  
d.  11m 
Question number: 148
» Mathematics » Pair of Linear Equations in Two Variables
Question
The LCM of two numbers is 630 and HCF is 9. If the sum of the number is 153, their difference is,
Choices
Choice (4)  Response  

a.  27  
b.  56  
c.  45  
d.  97 
Question number: 149
» Mathematics » Pair of Linear Equations in Two Variables
Question
The primes p, q and r satisfy where “r” is an even number, then p equals:
Choices
Choice (4)  Response  

a.  2  
b.  6  
c.  8  
d.  4 
Question number: 150
» Mathematics » Pair of Linear Equations in Two Variables
Question
Which of the following system of equations has infinitely many solution?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 151
» Mathematics » Pair of Linear Equations in Two Variables
Question
Which of the following system of equations is consistent?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  None of the above 
Question number: 152
» Mathematics » Pair of Linear Equations in Two Variables
Question
For what values of a and b will the equations represent coincident lines?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 153
» Mathematics » Pair of Linear Equations in Two Variables
Question
When are multiplied, the product is a polynomial of degree, ________
Choices
Choice (4)  Response  

a.  2  
b.  6  
c.  8  
d.  4 
Question number: 154
» Mathematics » Pair of Linear Equations in Two Variables
Question
The solution of is:
Choices
Choice (4)  Response  

a.  5  
b.  3  
c. 
 
d.  1 
Question number: 155
» Mathematics » Pair of Linear Equations in Two Variables
Question
Of the following alternatives, the one that includes all values of x which satisfy
Is:
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
