Mathematics [NSTSE (National Science Talent Search Exam Unified Council) Class 7]: Questions 143  149 of 1128
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Question 143
Question
MCQ▾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 144
Question
MCQ▾Example for a proper fraction is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 145
Question
MCQ▾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 146
Question
MCQ▾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 147
Question
MCQ▾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 148
Question
MCQ▾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 149
Question
MCQ▾Six nineteenths is equals to
Choices
Choice (4)  Response  

a. 
 
b. 
 
c.  6.19  
d. 
