MathematicsFactors and Multiples (NSTSE (National Level Science Talent Search Examination) Class 5): Questions 9  16 of 84
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Question number: 9
» Mathematics » Factors and Multiples
Question
Find two common multiples of 15 and 20.
Choices
Choice (4)  Response  

a.  60, 120 

b.  20, 60 

c.  15, 30 

d.  75, 120 

Question number: 10
» Mathematics » Factors and Multiples
Question
Which of the following are not multiples of 2?
Choices
Choice (4)  Response  

a.  Even number 

b.  Odd number 

c.  Prime number 

d.  Composite number 

Question number: 11
» Mathematics » Factors and Multiples
Question
P is the least common multiple of 20 and 40. What is the value of?
Choices
Choice (4)  Response  

a.  1400 

b.  1800 

c.  1200 

d.  2000 

Question number: 12
» Mathematics » Factors and Multiples
Question
What is the L. C. M. of two coprime numbers?
Choices
Choice (4)  Response  

a.  Their difference 

b.  Their sum 

c.  Their quotient 

d.  Their product 

Question number: 13
» Mathematics » Factors and Multiples
Question
When a number Z is added to 7, the sum is divisible by 16. What could the number Z be?
Choices
Choice (4)  Response  

a.  21 

b.  13 

c.  25 

d.  32 

Question number: 14
» Mathematics » Factors and Multiples
Question
A box had some apples in it. When the apples are distributed equally to 13 students, none remained but while distributing to 14 students, 5 students got 1 apple less than the others. How many apples were there in the box?
Choices
Choice (4)  Response  

a.  65 

b.  50 

c.  60 

d.  76 

Question number: 15
» Mathematics » Factors and Multiples
Question
M and N are two 1digit numbers such that. What are the respective values of M and N?
Choices
Choice (4)  Response  

a.  8, 9 

b.  6, 4 

c.  7, 11 

d.  3, 5 

Question number: 16
» Mathematics » Factors and Multiples
Question
Which of the following sets of numbers have the same H. C. F. ?
Choices
Choice (4)  Response  

a.  Q and S 

b.  P and Q 

c.  R and S 

d.  Q and R 
