NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 117  123 of 1484
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Question number: 117
» Mathematics » Pair of Linear Equations in Two Variables
Question
The ratio between a two digit number and the sum of digits if that number is 4: 1. If the digit in the unit place is 3 more than the digit in the tenth place, what is that number?
Choices
Choice (4)  Response  

a.  Insufficient data  
b.  24  
c.  36  
d.  63 
Question number: 118
» Mathematics » Pair of Linear Equations in Two Variables
Question
The product of two numbers is 12960 and their HCF is 36. How many pairs of such numbers can be find?
Choices
Choice (4)  Response  

a.  5  
b.  3  
c.  4  
d.  2 
Question number: 119
» Mathematics » Pair of Linear Equations in Two Variables
Question
Given the fractions and are unequal if:
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 120
» Mathematics » Pair of Linear Equations in Two Variables
Question
The solution of the system of the equations and (where is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  None of the above 
Question number: 121
» Mathematics » Pair of Linear Equations in Two Variables
Question
The denominator of a rational number is greater than its numerator by 5. If 4 is subtracted from the numerator and 3 is added to the denominator, the new number becomes then the original number was,
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 122
» Mathematics » Pair of Linear Equations in Two Variables
Question
For what value of p does the system of equations , has non zero solution?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 123
» Mathematics » Pair of Linear Equations in Two Variables
Question
3 men and 6 boys can finish a piece of work in 3 days, while 2 men and 5 boys can finish it in 4 days. Them time taken by one boy alone to finish the work is, ——
Choices
Choice (4)  Response  

a.  36 days  
b.  12 days  
c.  48 days  
d.  None of the above 