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Question


What is the sum of the numbers between 40 and 50, that are exactly divisible by 7.


Options:
A .   92
B .   93
C .   91
D .   90
Answer: Option C
:
C

The numbers between 40 and 50 that are exactly divisible by 7 ( those numbers that can be divided by 7, without leaving a remainder) are 42 and 49.


42=7×6


49=7×7


The sum of 42 and 49 is 91


   42+49–––     91 –––


Hence "91" is the sum.



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