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Question


When Rashi ordered pizza and coke, the bill had the digits A and B not visible clearly.


Pizza           A12Coke       + 31B                     525


Using the information visible on her bill, find the digits A and B respectively.


Options:
A .   A = 2, B = 1
B .   A = 3, B = 5
C .   A = 1, B = 3
D .   A = 2, B = 3
Answer: Option D
:
D

In the tens place, the numbers being added are 1 and 1. The sum given in the tens place is 2, which means there is no carry over throughout the summation.
A + 3 = 5 i.e A = 5 - 3 = 2  and


2 + B = 5 i.e B = 5 - 2 = 3
 


Pizza           212Coke       + 313                     525



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