Question

Last month, the price of oranges was ₹ 60 per dozen. This month they are being sold at ₹60 per 8 oranges
Find the percentage increase in the price of oranges​

Answer 1

$\huge\mathcal{Answer:}$

$\textbf{\underline{\underline{In\:Last\:Month:}}}$

Price of orange = 60 per dozen

[ 1 dozen = 12 unit ]

$\textbf{\underline{\underline{Cost\:Of:}}}$

12 oranges = Rs 60

1 orange = 60/12

1 Orange = Rs 5

$\textbf{\underline{\underline{In\:This\:Month\:Cost :}}}$

8 Orange = Rs 60

1 Orange = 60/8

1 Orange = Rs 7.5

$\textbf{\underline{\underline{Increase\:In\:Price\:of\:1\:Orange :}}}$

This month price - Last month Price

Rs 7.5 - Rs 5

Rs 2.5

$\textbf{\underline{\underline{Increase\:In\: Percentage:}}}$

Increased Price/Original Price × 100

Rs 2.5/ Rs 5 × 100

Rs 2.5 × 20

50 %

Answer 2

Answer:

50%

Step-by-step explanation:

CONCEPT USED IS UNITARY METHOD

for last month

1 dozen oranges=12 oranges

12 oranges cost ----------------Rs. 60

1 orange----------------------------Rs. 5

now, this month

8 oranges--------------------------Rs. 60

1 orange-----------------------------Rs. 15/2=7.5

difference in price=7.5-5=Rs.2.5

percentage increase=

Rs 2.5/ Rs 5 × 100

Rs 2.5 × 20

50 %