RS.0.9
Step-by-step explanation:
Soln,
Let, the cost of be x and
the cost of be y.
Acc.. to the question,
3x=2y---(I) equation
y=RS.1.35
x=?
Now,
2y=2×1.35
=2.7
Now, putting value of 2y in (I) equation, we get,
3x=2.7
or,x=2.7÷3
•°•x=0.9
Hence, the cost of 1 pineapple is
RS.0.9