Elitmus
Exam
Numerical Ability
Number System
A number x is multiplied by 7 such that it contains all one's the number x is divisible by?
Read Solution (Total 5)
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- actually ques is incomplete they ask, it contains all 1s. and Sx is sum of all digit of x. Sx is always divisible by?
X * 7 = 111111
X = 111111/7
X = 15873
Sx=1+5+8+7+3=24
Option is a)7 b)5 c)8 d)9
So, its seems 8 is correct - 10 years agoHelpfull: Yes(19) No(14)
- X * 7 = 111111
X = 111111/7
X = 15873
AND 15873 IS X AND IT IS DIVISIBLE BY 3 - 10 years agoHelpfull: Yes(15) No(3)
- it can't b 8 , check d divisibility rules....
- 10 years agoHelpfull: Yes(3) No(1)
- AVI SRIVASTAVA ur process is correct but 8 cant be the answer ,bcoz 15873 is not divisible by 8,,it will be divisible by 3
- 10 years agoHelpfull: Yes(2) No(0)
- 15873*7 = 111111
- 9 years agoHelpfull: Yes(0) No(0)
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