The number of digits in the smallest number, which when multiplied by 7 yields all nines, is :
A. 3
B. 4
C. 5
D. 6
Answer: Option D
Solution(By Examveda Team)
We keep on dividing 99999..... by 7 till we get 0 as remainder.
∴ Required number = 142857
Number of digit = 6
This Question Belongs to Arithmetic Ability >> Number System
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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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