Subject :IMO Class : Class 6
Consider the following 4 numbers: a; b; c; d
b is greater than a by 1/5,
b is less than c by 1/6 and ,
d is greater than a by 1/2
If a +b + c + d = 9(1/15) then find the value of a.
A1
B2
C3
D4
please give the answer with reason