Q361
Which of the following numbers are completely divisible by 7 ? I. 195195 II. 181181 III. 120120 IV. 891891
A.
Only I and II
B.
Only II and III
C.
Only I and IV
D.
Only II and IV
E.
All are divisible
AnswerAnswer: Option E
Solution
Answer: Option E
Solution:
I. We have (195 - 195) = 0∴ 195195 is divisible by 7
II. We have (181 - 181) = 0
∴ 181181 is divisible by 7
III. We have (120 - 120) = 0
∴ 120120 is divisible by 7
IV. We have (891 - 891) = 0
∴ 891891 is divisible by 7
Hence, all are divisible by 7