Mathematics Class 6 NCERT Solutions: Chapter 3 Playing With Numbers Exercise 3.3Part 1
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Q. 1 Using divisibility test, determine which of the following numbers are divisible by . (Say yes or no)
Number  Divisible by  








 
 Yes  No  Yes  No  No  Yes  No  No  No 
 
 
 
 
 
 
 
 

Answer:
Number  Divisible by  








 
 Yes  No  Yes  No  No  Yes  No  No  No 
 Yes  Yes  No  Yes  Yes  No  Yes  Yes  Yes 
 Yes  No  No  No  No  No  No  No  No 
 No  No  No  Yes  No  No  No  No  Yes 
 Yes  No  No  No  No  No  No  No  No 
 Yes  Yes  No  Yes  Yes  No  No  Yes  Yes 
 Yes  Yes  No  No  Yes  No  Yes  No  No 
 Yes  Yes  Yes  No  Yes  Yes  No  No  No 
 Yes  Yes  Yes  Yes  Yes  Yes  Yes  Yes  No 
 No  Yes  No  No  No  No  No  No  No 
Q. 2 Using divisibility test, determine which of the following numbers are divisibly by 4; by 8:
(a)
Answer: Divisible by as its last two digits are divisible by .
Not divisible by as its last three digits are not divisible by .
(b)
Answer: Divisible by as its last two digits are divisible by .
Divisible by as its last three digits are divisible by .
(c)
Answer: Divisible by 4 as its last two digits are divisible by .
Divisible by as its last three digits are divisible by .
(d)
Answer: Divisible by as its last two digits are .
Divisible by as its last three digits are .
(e)
Answer: Not divisible by 4 and 8 as it is an odd number.
(f)
Answer: Divisible by as its last two digits are divisible by .
Divisible by as its last three digits are divisible by .
(g)
Answer: Divisible by as its last two digits are divisible by .
Not divisible by as its last three digits are not divisible by .
(h)
Answer: Divisible by as its last two digits are divisible by .
Divisible by as its last three digits are divisible by .
(i)
Answer: Divisible by 4 as its last two digits are 0.
Not divisible by 8 as its last three digits are not divisible by 8.
(j)
Answer: Not divisible by as its last two digits are not divisible by .
Not divisible by as its last three digits are not divisible by .