NSTSE (National Science Talent Search Exam Unified Council) Class 7: Questions 143  149 of 1732
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Question number: 143
» Mathematics » Simple Equations
Question
The ratio of number of men to women in a company is 1: 45. If 75 more women join, the ratio becomes 1: 50. The number of men in the company is
Choices
Choice (4)  Response  

a.  20  
b.  25  
c.  15  
d.  35 
Question number: 144
» Mathematics » Fractions and Decimals
Question
Example for a proper fraction is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 145
» Mathematics » Simple Equations
Question
A person travelled of the distance by train, by bus and the remaining 30 km by boat. The total distance travelled by him was
Choices
Choice (4)  Response  

a.  155 km  
b.  225 km  
c.  105 km  
d.  285 km 
Question number: 146
» Mathematics » Comparing Quantities
Question
In the word ELECTRICITY the ratio of number of consonants to the number of vowels is
Choices
Choice (4)  Response  

a.  7: 4  
b.  4: 7  
c.  9: 2  
d.  2: 9 
Question number: 147
» Mathematics » Simple Equations
Question
In a two digit number, unit’s digit is 3 more than the ten’s digit. The number formed by interchanging the digits and the original number are in the ratio 7: 4. Find the number.
Choices
Choice (4)  Response  

a.  63  
b.  45  
c.  54  
d.  36 
Question number: 148
» Mathematics » Simple Equations
Question
The ratio between two numbers is 6: 5. If each number is increased by 15, the ratio becomes 5: 3. Find the numbers.
Choices
Choice (4)  Response  

a.  40,50  
b.  ,  
c.  50,30  
d.  , 
Question number: 149
» Mathematics » Fractions and Decimals
Question
Six nineteenths is equals to
Choices
Choice (4)  Response  

a. 
 
b. 
 
c.  6.19  
d. 
