NSTSE (National Level Science Talent Search Examination) Class 4: Questions 631  637 of 1791
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Question number: 631
» Mathematics » Multiples and Factors
Question
________ should be added to 345 to make it divisible by 10.
Choices
Choice (4)  Response  

a.  3 

b.  5 

c.  0 

d.  6 

Question number: 632
» Mathematics » Multiples and Factors
Question
Sum of the odd numbers between 5 and 12 is: (Model Test Paper)
Choices
Choice (4)  Response  

a.  7 

b.  16 

c.  17 

d.  27 

Question number: 633
» Mathematics » Multiples and Factors
Question
What is the difference between the least common multiple and highest common factor of the numbers 6 and 15?
Choices
Choice (4)  Response  

a.  31 

b.  25 

c.  27 

d.  30 

Question number: 634
» Mathematics » Multiplication and Division
Question
What is if
Choices
Choice (4)  Response  

a.  2 

b.  4 

c.  32 

d.  3 

Question number: 635
» Mathematics » Multiplication and Division
Question
Manali is arranging his father’s book in a new bookshelf which has 6 shelves. After putting 15 books in each shelf, she finds that 10 books are still left outside. How many books are there in total?
Choices
Choice (4)  Response  

a.  100 

b.  75 

c.  108 

d.  90 

Question number: 636
» Mathematics » Multiples and Factors
Question
The number 14 has four factors: . The table below lists the number of factors for some numbers.
Number  Number of factors 
21  4 
23  2 
25  3 
27  4 
29  2 
From this we can say that the number of composite numbers between 20 and 30 is:
Choices
Choice (4)  Response  

a.  3 

b.  2 

c.  4 

d.  0 

Question number: 637
» Mathematics » Fractions
Question
of 12 km ________m
Choices
Choice (4)  Response  

a.  20 

b.  200 

c.  2000 

d.  2 
