Math, asked by bharathkumargb83515, 2 months ago

00:42:33
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Question 29
Max
Bob buys a bike on 15th March, 2016 (Tuesday). He is asked to bring the bike for servicing after 30 months.
Determine the day of the week on which the bike needs to be brought in for servicing.
Note All months have 30 days.
Saturday
Friday
onday
of these

Answers

Answered by amitnrw

Given : Max Bob buys a bike on 15th March, 2016 (Tuesday). He is asked to bring the bike for servicing after 30 months.

To Find : Determine the day of the week on which the bike needs to be brought in for servicing.

Solution:

15th March, 2016 (Tuesday)

After 30 months

15th Sep, 2018

March in 2016 hence February has already gone

2017 and 2018 are not leap year

a non leap year has 365 days = 52 * 7 + 1

Hence 15th March, 2018 = Tuesday + 2 * 1

= Thursday

Now from 15 March to 15 sep

Days in March = 31 - 15 = 16

April = 30 , May = 31 , June = 30 , July = 31 , August = 31

Sept = 15

Total = 154

184 = 26 * 7 + 2

Hence Day on 15th Sep, 2018 = Thursday + 2

= SATURDAY

Hence day of the week on which the bike needs to be brought in for servicing is SATURDAY

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