NSTSE (National Science Talent Search Exam Unified Council) Class 7: Questions 109  116 of 1732
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Question number: 109
» Mathematics » Simple Equations
Question
The ratio of number of boys to girls in a class is 1: 20. If 50 more girls join, the ratio becomes 1: 30. The number of boys in the class is
Choices
Choice (4)  Response  

a.  9 

b.  5 

c.  15 

d.  7 

Question number: 110
» Mathematics » Comparing Quantities
Question
Simplest form of the ratio 136: 8 is
Choices
Choice (4)  Response  

a.  1: 17 

b.  17: 1 

c.  34: 1 

d.  3: 34 

Question number: 111
» Mathematics » Fractions and Decimals
Question
Product of is
Choices
Choice (4)  Response  

a. 


b.  6 

c. 


d.  4 

Question number: 112
» Mathematics » Fractions and Decimals
Question
The reciprocal of the fraction is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 113
» Mathematics » Fractions and Decimals
Question
________ make one whole.
Choices
Choice (4)  Response  

a.  Five fourths 

b.  Two fourths 

c.  Four fourths 

d.  Three fourths 

Question number: 114
» Mathematics » Simple Equations
Question
If two supplementary angles are differ by then one of the angles is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 115
» Mathematics » Fractions and Decimals
Question
A cricket match player won 7 games and lost 5. The fraction of the games he won is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 116
» Mathematics » Simple Equations
Question
The ratio between a twodigit number and the sum of digits of that number is 4: 1. If the digit in the units place is 3 more than the digit in the tenth place. What is the number?
Choices
Choice (4)  Response  

a.  63 

b.  56 

c.  36 

d.  Data is not sufficient 
