Basic MathematicsArithmetic (KVPY (Kishore Vaigyanik Protsahan Yojana) StreamSA (Class 11) Math): Questions 45  50 of 83
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Question number: 45
» Basic Mathematics » Arithmetic » Number Games
Question
Which of the following set of numbers necessarily contains a multiple of 11?
Choices
Choice (4)  Response  

a. 


b. 


c.  n50 

d. 


Question number: 46
» Basic Mathematics » Arithmetic » Rates
Question
A plumber can be paid under two schemes as given below:
(i): Rs. 800 and Rs. 30 per hour
(ii): Rs. 190 per hour.
If the job takes n hours, for what values of n does the scheme (i) give the plumber the better wages?
Choices
Choice (4)  Response  

a.  4 

b.  6 

c.  8 

d.  9 

Question number: 47
» Basic Mathematics » Arithmetic » Number Games
Question
The largest nonnegative integer K such that 18^{k} divides 16! is
Choices
Choice (4)  Response  

a.  5 

b.  3 

c.  2 

d.  4 

Question number: 48
» Basic Mathematics » Arithmetic » Number Games
Question
The least positive integer n from which is –
Choices
Choice (4)  Response  

a.  10 

b.  11 

c.  12 

d.  13 

Question number: 49
» Basic Mathematics » Arithmetic » Rates
Question
Given area three cylindrical buckets A, B, C whose circular bases are of radii 4,6, 8 units, respectively. Initially water is filled in these buckets up to the same height. Some water is then transferred from C to A so that they both have the same volume of water. Some water is then transferred between A and B so that they both have the same volume of water. If, denote the heights of water at this stage in the buckets B, C respectively, then the ratio equals –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 50
» Basic Mathematics » Arithmetic » Number Games
Question
The number of distinct primes dividing is –
Choices
Choice (4)  Response  

a.  7 

b.  6 

c.  8 

d.  9 
