Question

Raju bought a packet of biscuits with a manufacturing date of 26/05/2022. If it expires in 240 days, can we have the biscuits on 25/12/2022?
[ 2 marks ]

Answer 1

Solution:
Biscuit was packed on 26/05/22, so the month of packing is May.
It was best to use the biscuit before 240 days from the date of packing. [ 0.5 marks ]
Let's calculate 240 days from the date of packing by counting number of days.
Days remaining in May = 5 ( from 26 May to 31st May)
Days in June = 30
Days in July = 31
Days in August = 31
Days in September = 30
Days in October = 31
Days in November = 30
Days in December = 31
Days calculated so far = 5 + 30 + 31 + 31 + 30 + 31 + 30 + 31= 219
Remaining days = 240 − 219 = 21 [ 1 mark ]
These 21 days will fall in January. So, the date is 21 January 2023.
As it is safe to use the biscuits till 21 January 2023, Raju can eat it on 25/12/2022 [ 0.5 marks ]