NSTSE (National Science Talent Search Exam Unified Council) Class 7: Questions 47  55 of 1732
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Question number: 47
» Mathematics » Fractions and Decimals
Question
of 49 km = ________ m.
Choices
Choice (4)  Response  

a.  700 

b.  70 

c.  7 

d.  7000 

Question number: 48
» Mathematics » Simple Equations
Question
The present age of A is thrice that of B. 20 years from now, age of A will be times of B. Find the present ages of A and B respectively.
Choices
Choice (4)  Response  

a.  40,120 

b.  80,60 

c.  60,80 

d.  120,40 

Question number: 49
» Mathematics » Fractions and Decimals
Question
Choices
Choice (4)  Response  

a.  11 

b.  6 

c.  5 

d.  7 

Question number: 50
» Mathematics » Simple Equations
Question
The average of three numbers is 80. The first is rd of the sum of the other two. The first number is
Choices
Choice (4)  Response  

a.  60 

b.  80 

c.  65 

d.  70 

Question number: 51
» Mathematics » Comparing Quantities
Question
The middle terms of proportion are called
Choices
Choice (4)  Response  

a.  Means 

b.  Antecedent 

c.  Extremes 

d.  Consequent 

Question number: 52
» Mathematics » Simple Equations
Question
Two sums of money are in the ratio 3: 5. If the second sum is Rs. 80, then first sum is
Choices
Choice (4)  Response  

a.  32 Rs. 

b.  42 Rs. 

c.  54 Rs. 

d.  48 Rs. 

Question number: 53
» Mathematics » Simple Equations
Question
If then in terms of x is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 54
» Mathematics » Fractions and Decimals
Question
The daily consumption of milk of a family is liters. The quality of milk consumed by the family during the month of November 2005 is
Choices
Choice (4)  Response  

a.  170 lit 

b.  130 lit 

c.  160 lit 

d.  lit 

Question number: 55
» Mathematics » Fractions and Decimals
Question
Expression of 0.25 in terms of vulgar fraction is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

