Basic MathematicsArithmetic (KVPY StreamSA (Class 11) Math): Questions 50  55 of 83
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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 

Question number: 51
» Basic Mathematics » Arithmetic » Solving Expressions
Question
If x, y are real number such that, then the value of is –
Choices
Choice (4)  Response  

a.  2 

b.  1 

c.  0 

d.  3 

Question number: 52
» Basic Mathematics » Arithmetic » Number Games
Question
Let n > 1 be an integer. Which of the following sets of numbers necessarily contains a multiple of 5?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 53
» Basic Mathematics » Arithmetic » Rates
Question
Mahesh and Joseph are working on an assignment. Mahesh takes 8 hours to type 28 pages on a computer, while Joseph takes 4 hours to type 32 pages. How much time will they take, working together on two different computers to type an assignment 69 pages?
Choices
Choice (4)  Response  

a.  9 hr 

b.  9 hr 25 min 

c.  8 hr 30 min 

d.  10 hr 15 min 

Question number: 54
» Basic Mathematics » Arithmetic » Ratio and Proportion
Question
A bag contains 50 p, 25 p and 10 p coins in the ratio, amounting to Rs. 117. Find the numbers of coins of each type,
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 55
» Basic Mathematics » Arithmetic » Rates, Speeds and Unitary Method
Question
Two workers A and B are engaged to do a piece of work. Working alone, A takes 12 hours more to complete the work than if both worked together. On the other hand, working alone, B would need 3 hours more to complete the work than if both worked together. How much time would they take to complete the job working together?
Choices
Choice (4)  Response  

a. 


b.  9 hr 

c.  8 hr 

d.  6 hr 
