NRA CGL (National Recruitment AgencyCombined Graduate Level) Mathematics: Questions 270  275 of 425
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Question number: 270
Question
A number of boys raised Rs. 900 for a famine relief fund, each boy giving as many 25 paise coins as there were boys. The number of boys was (Paper I)
Choices
Choice (4)  Response  

a.  100  
b.  50  
c.  60  
d.  80 
Question number: 271
Question
Let the least number of six digits which when divided 2,6, 12,14 leaves in each case same remainder 2 be N. The sum of digits in N is (Paper1)
Choices
Choice (4)  Response  

a.  11  
b.  14  
c.  16  
d.  15 
Question number: 272
» Average
Question
The average age of 40 students of a class is 10 years. When 20 new students are admitted, the average age is increased by 0.5 years. The average age of new students is (Paper I)
Choices
Choice (4)  Response  

a.  11.3 years  
b.  11.2 years  
c.  11.4 years  
d.  11.5 years 
Question number: 273
Question
A cistern of capacity 9240 liters measures externally and its walls are 5 cm thick. The thickness of the bottom is (Paper1)
Choices
Choice (4)  Response  

a.  10 cm  
b.  20 m  
c.  90 cm  
d.  40 m 
Question number: 274
» Discount
Question
A single discount, equivalent to the successive discounts of is (Paper  I)
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 275
Question
Rs. 1200 are divide among A, B and C such that A’s share is Rs. 110 more than B’s share and Rs. 110 less than C’s. B’s share will be (Paper I)
Choices
Choice (4)  Response  

a.  Rs. 580  
b.  Rs. 620  
c.  Rs. 450  
d.  Rs. 290 