Question

4. Rakesh was born on 3rd March, 1982. Mohan was
born 4 days before Rakesh. If Republic Day of that
year falls on Saturday. Which day was Mohan's
birthday?​

Answer 1

Answer:

may be its wednesday...........

Answer 2

Answer:

Mohan's birthday was on Wednesday.

Explanation:

Given that Rakesh was born on 3rd March, 1982

Mohan was born 4 days before Rakesh.

Then the birthday of Mohan is on 27th February, 1982

Given that Republic Day in 1982 falls on Saturday,

means 26th January, 1982 is a Saturday.

January have 31 days.

Thus, the total number of days till February, 1982 is the sum of 5 days in January + 27 days of February.

Since week has 7 days, therefore the day can be calculated by dividing the sum by 7.

$\dfrac{5+27}{7} =\dfrac{32}{7}$

Remainder is 4.

​​So, the 4th day from Saturday is Wednesday.

Therefore, Mohan's birthday was on Wednesday.

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