NRA CGL (National Recruitment AgencyCombined Graduate Level) Mathematics: Questions 209  214 of 425
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Question number: 209
Question
Prashant’s salary was reduced by 10 % and then the reduced salary was increased by 50%. His new salary in comparison with his original salary is (Paper1)
Choices
Choice (4)  Response  

a.  35 % more  
b.  25 % more  
c.  64 % less  
d.  25 % less 
Question number: 210
» Algebra
Question
If , then the value of n is (Paper1)
Choices
Choice (4)  Response  

a.  162  
b.  163  
c.  161  
d.  165 
Question number: 211
Question
A person buys certain number of marbles at 10 per rupee and equal number at 30 per rupee. He mixes them and sells them at 12 per rupee. His gain or loss in the transaction is (Paper  I)
Choices
Choice (4)  Response  

a.  47 % loss  
b.  20 % gain  
c.  49 % gain  
d.  26 % loss 
Question number: 212
Question
A cylindrical tube open at both ends is made of metal. The internal diameter of tube is 14 cm and its length is 18 cm. the metal everywhere is 3 cm thick. The volume of the metal is (Paper1)
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 213
» Geometry
Question
A circular park has a path of uniform width around it. The difference between outer and inner circumferences of the circular path is 220 m. Its width is (Paper I)
Choices
Choice (4)  Response  

a.  32 m  
b.  35 m  
c.  36 m  
d.  38 m 
Question number: 214
» Geometry
Question
The area of the biggest circle, which can be drawn inside a square of side 26 cm, is (Paper I)
Choices
Choice (4)  Response  

a.  231.29 sq. cm.  
b.  321.34 sq. cm.  
c.  351.56 sq. cm.  
d.  sq. cm. 