Percentage [NRA CGL (National Recruitment AgencyCombined Graduate Level) Mathematics]: Questions 17  22 of 30
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Question number: 17
Question
MCQ▾Nitin’s salary was reduced by 20 % and then the reduced salary was increased by 20%. His new salary in comparison with his original salary is (Paper1)
Choices
Choice (4)  Response  

a.  4 % less  
b.  5 % less  
c.  1 % more  
d.  The same 
Question number: 18
Question
MCQ▾Three numbers A, B and C are in the ratio . Their average is 400. If A is increased by and B is decreased by , then to get the average increased by , C will be increased by (Paper  I)
Choices
Choice (4)  Response  

a.  280  
b.  182  
c.  220  
d.  260 
Question number: 19
Question
MCQ▾Tanisha’s salary was increased by 10%. In order to bring her salary back to the original value, her new salary must be decreased by (Paper  I)
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 20
Question
MCQ▾The length of a rectangle is decreased by 10 % and its breadth is increased by 5%. By what percent its area changed?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 21
Question
MCQ▾If A exceeds B by 20 % and B is less than C by 40%, then is
Choices
Choice (4)  Response  

a.  65: 32  
b.  18: 25  
c.  14: 25  
d. 

Question number: 22
Question
MCQ▾A man bought a secondhand typewriter for Rs. 3000 and spent Rs. 1000 on its repairs. He sold it for Rs. 6000. His profit percent is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
