TCS Company Numerical Ability Number System

A number and its 17th multiple leave respective remainders of 8 and 4 when divided by a divisor. Another multiple of the same number when divided by the same divisor leaves the remainder 3. Which of the following is a possible value of the divisor?

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TCS Other Question
Two flash lights, of red and yellow colour respectively, flash at respective intervals of 9 seconds and 33 seconds.
24. In an interval of 250 seconds, what is the maximum possible difference in the number of times that the red and yellow lights flash?
 6 men and 3 women working 8 hours per day can complete a tailoring job in 4 days. The same job can be completed by 3 men and 6 women in 4 days working 7 hours a day. 16 boys, working 6 hours a day can complete the job in 7 days.

28. 2 women and 6 boys together worked on the job for 4 days at the rate of 7 hours per day. If 4 more women join them, in how many more days will the work be completed?