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Question


How many calls did Reynolds make on Tuesday?


Options:
A .   17
B .   18
C .   19
D .   20
Answer: Option C
:
C

As each student made a total of 150 calls


x + y = 150-(27+18+26+29)


x + y = 50.


From Victor’s statement calls made by Victor on Friday= (x+y)2 =25


Calls made by Robert on Saturday = 150– 24-x-1-y-30-28 = 17


Calls made by Reynolds on Tuesday = 150-(23+30+27+y+6+x-5)=19


Calls made by Sam on Monday = 150 – (23+x+y+4+27 +24)=22



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