NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 122  128 of 1484
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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 

Question number: 124
» Mathematics » Pair of Linear Equations in Two Variables
Question
Two numbers are such that their difference, their sum and their product are to one another as 1: 7: 24. The product of two number is
Choices
Choice (4)  Response  

a.  96 

b.  24 

c.  48 

d.  12 

Question number: 125
» Mathematics » Pair of Linear Equations in Two Variables
Question
Divide 62 into two parts such that fourth part of the first and twofifth part of the second are in the ratio 2: 3.
Choices
Choice (4)  Response  

a.  16,46 

b.  40,22 

c.  32,30 

d.  24,38 

Question number: 126
» Mathematics » Pair of Linear Equations in Two Variables
Question
The solution of the system of the equation given by
is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 127
» Mathematics » Pair of Linear Equations in Two Variables
Question
The sum of digits of a two digit number is 12. If the digits are reversed, the number is decreased by 36. Find the number.
Choices
Choice (4)  Response  

a.  84 

b.  48 

c.  34 

d.  30 

Question number: 128
» Mathematics » Pair of Linear Equations in Two Variables
Question
If then the values of are
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

