On multiplying a number by 7 all the digit in the product appear as 3's , the smallest such numbers is -
A. 47649
B. 47719
C. 47619
D. 48619
Answer: Option C
Solution(By Examveda Team)
$$\eqalign{ & {\text{According to question,}} \cr & x \times 7 = 333333 \cr} $$(In answer 5 digit number are given, so we take 6 digit 333333)
$$\eqalign{ & x = \frac{{333333}}{7} \cr & x = 47619 \cr} $$
Related Questions on Number System
Three numbers are in ratio 1 : 2 : 3 and HCF is 12. The numbers are:
A. 12, 24, 36
B. 11, 22, 33
C. 12, 24, 32
D. 5, 10, 15
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