NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 144  151 of 1484
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Question number: 144
» Mathematics » Pair of Linear Equations in Two Variables
Question
The equation has:
Choices
Choice (4)  Response  

a.  Two imaginary root 

b.  One real root 

c.  No root 

d.  One real root and one imaginary root 

Question number: 145
» Mathematics » Pair of Linear Equations in Two Variables
Question
If x, y and are not zero, then equals to,
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 146
» Mathematics » Pair of Linear Equations in Two Variables
Question
The age of a woman is three times the age of her daughter. Five years hence, the age of woman will be two times the age of her daughter. The present age of daughter is,
Choices
Choice (4)  Response  

a.  4 

b.  6 

c.  3 

d.  5 

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 
