Which of the following numbers are divisible by 2, by 3 and by 6?
(i) 321729 (ii) 197232 (iii) 972132 (iv) 1790184
(v) 312792
(vi) 800552
(vii) 4335 (viii) 726352
Answers
Answer:
Radhe Radhe
(i) it is divisible by 3
(ii)it is divisible by 2
(iii)it is divisible by 2
(iv) it is divisible by 2
(v) it is divisible by 2
(vi) it is divisible by 6
(vii) it is divisible by 2
some are 2 and 6 both
Answer:
Divisible by 3 - To add all the digits and find whether it is divisible by 3
Divisible by 2 - To check last digit whether divisible by 2
Divisible by 6 - To check whether it is divisible by both 2 and 3
Step-by-step explanation:
(i) 3 + 2 + 1 + 7 + 2 + 9 = 24
Divisible by 3
(ii) 1 + 9 + 7 + 2 + 3 + 2 = 24
Divisible by 3
Divisible by 2
Divisible by 6
(iii) 9 + 7 + 2 + 1 + 3 + 2 = 24
Divisible by 3
Divisible by 2
Divisible by 6
(iv) 1 + 7 + 9 + 0 + 1 + 8 + 4 = 30
Divisible by 2
(v) 3 + 1 + 2 + 7 + 9 + 2 = 24
Divisible by 3
Divisible by 2
Divisible by 6
(vi) 8 + 0 + 0 + 5 + 5 + 2 = 20
Divisible by 2
(vii) 4 + 3 + 3 + 5
Divisible by 3
(viii) 7 + 2 + 6 + 3 + 5 + 2 = 25
Divisible by 2