Sangeeta started singing on Monday at 10.30 a . m. in order to enter her name in the Guinness Bo

step 1 The Sanghita starts singing the point of time is Monday 10 .30 a .m. And this value plus 36 hour

Sangeeta started singing on Monday at 10.30 a . m. in order...

Sangeeta started singing on Monday at $10.30 \mathrm{a} . \mathrm{m}$. in order to enter her name in the Guinness Book of world records. If she sings continuously for 36 hours, then she will finish her singing on (1) Tuesday $10.30 \mathrm{a}, \mathrm{m}$. (2) Wednesday $10.30 \mathrm{a}, \mathrm{m}$. (3) Tuesday $10.30$ p.m. (4) Wednesday $10.30$ p.m.

Sangeeta started singing on Monday at $10.30 \mathrm{a} . \mathrm{m}$. in order to enter her name in the Guinness Book of world records. If she sings continuously for 36 hours, then she will finish her singing on
(1) Tuesday $10.30 \mathrm{a}, \mathrm{m}$.
(2) Wednesday $10.30 \mathrm{a}, \mathrm{m}$.
(3) Tuesday $10.30$ p.m.
(4) Wednesday $10.30$ p.m.

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Key Concepts

Modular Arithmetic in Time Calculations

Modular arithmetic is fundamental in time problems, as time cycles every 24 hours. This concept helps to determine the correct time after a duration by effectively 'wrapping around' at the 24-hour mark, ensuring accurate calculations even when the total hours extend over multiple days.

AM/PM Notation and Day Boundaries

Understanding the AM/PM system is essential for interpreting times in a 12-hour clock format, particularly when transitions occur at noon or midnight. This concept helps in correctly identifying whether the final time falls in the morning or evening and in adjusting the day labels accurately after adding extended durations.

Time Addition

Time addition involves calculating the final time after adding a specified duration to a given starting time. It requires accounting for the number of hours in a day and correctly adjusting the time when the total exceeds the hours in a day, which may result in moving to a subsequent day.

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