Question

Test the drisibility of 975 by 3 ,by 6 ,by 5
without actually Dividing the number

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Answer 1

divisibity by 3: 9+7+5=21

21 is divisible by 3 ,ans:YES

divisibity by 6: unit place is not divisible by 2

ans:NO

divisibity by 5 : unit place is divisible by 5

ans:YES

Answer 2

Answer:

Therefore 975 is divisible by 3 and 5 but not by 6

Step-by-step explanation:

Divisibility Test of 3=Sum of digits should be divisible by 3

975-9+7+5=21

21 is divisible by 3(7*3)

therefore 975 is divisible by 3

Divisibility test of 6= should be divisible by both 2 and 3

Divisibility of 2= last digit should be even

975 is not divisible by 2

975 is divisible by 3

Hence 975 is not divisible by 6

Divisibility test of 5=Last digit should be 5 or 0

975 is divisible by 5(Since last digit is 5)