NRA CGL (National Recruitment AgencyCombined Graduate Level) Mathematics: Questions 94  98 of 425
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Question number: 94
Question
A boat goes 12 km downstream and comes back to the starting point in 4 hours. If the speed of the current is 4 km/hr, then the speed (in km/hr) of the boat in still water is
Choices
Choice (4)  Response  

a.  8  
b.  16  
c.  2  
d.  18 
Question number: 95
Question
The diameters of two cylinders, whose volumes are equal, are in the ratio their heights will be in the ratio
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 96
Question
In an election there were only two candidates. One of the candidates secured of votes and is defeated by the other candidate by 4080 votes. The total number of votes polled is
Choices
Choice (4)  Response  

a.  46000  
b.  18000  
c.  40814  
d.  17000 
Question number: 97
» Interest
Question
If the compound interest on a sum for 2 years at per annum is Rs. 294, the simple interest on the same sum at the same rate for the same period of time is:
Choices
Choice (4)  Response  

a.  Rs 410  
b.  Rs 820  
c.  Rs 140  
d.  Rs 280 
Question number: 98
Question
A girl, after giving away of his pocket money to one companion and of the remainder to another, has 15 paise left with him. How much pocket money did the boy have in the beginning?
Choices
Choice (4)  Response  

a.  Rs. 0.20  
b.  Rs. 0.22  
c.  Rs. 0.45  
d.  Rs. 0.62 