Answer:

a) 1/2 dozen - 12 rupees

b) 3 bananas - 6 rupees

c) 1 banana - 2 rupees

d) 5 dozens - 120 rupees

hope helps.....

Step-by-step explanation:

1 dozen is equal to 12 bananas

12 bananas are bought for 24 rs

1 banana is bought for rs=24/12=2(answer of bit c)

1/2 of a dozen,i.e,1/2×12=6 bananas are bought for =cost of one banana ×6=2×6=12rs(answer of bit a)

cost of 3 bananas =3×2=6(answer of bit b)

cost of 5 bananas=2×5=10 rs( answer of bit d)

hope it will help you!!!