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Question


How many numbers are there from 1 to 1000 which when successively divided by 5, 6, 7 give remainders 2,4,5.


Options:
A .   1
B .   3
C .   4
D .   6
E .   5
Answer: Option C
:
C

option c


The first number in this AP can be found as given above


How Many Numbers Are There From 1 To 1000 Which When Success...


The first term = ((((5*6) +4)*5) + 2


Common difference = 5*6*7=210


General form of the AP  is therefore 172+210k,


So the numbers will be 172, 382,592 and 802



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